20150320-210822

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Time: 1 hour 15 minutes Masa: 1 jam 15 minit This paper consists of 50 questions. Answer all questions. Every question is followed by four alternative answers A, B, C and D. For each question, choose one answer only. Blacken your answer on the objective answer sheet provided. If you wish to change your answer, erase the blackened mark that you have made. Then blacken the new answer. Bahagian ini mengandungi 50 soalan. Jawab semua soalan. Tiap-tiap soalan diikuti oleh empat pilihan jawapan iaitu A, B, C, dan D. Bagi setiap soalan, pilih satu jawapan sahaja. Hitamkan jawapan kamu pada kertas jawapan objektif yang disediakan. Jika kamu hendak menukar jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapan yang baru. 1 Which substance is an element? Bahan manakah yang merupakan suatu unsur? A Water Air C Ethane Etana B Carbon Karbon D Naphthalene Naftalena 2 A sample of ammonia gas is cooled. Which of the following is true about the velocity and the size of its particles? Satu sampel gas ammonia disejukkan. Antara berikut, yang manakah benar tentang halaju dan saiz zarahnya? Velocity of the particles Halaju zarah Size of the particles Saiz zarah A Increases Bertambah No change Tidak berubah B Decreases Berkurang No change Tidak berubah C Decreases Berkurang Decreases Berkurang D Increases Bertambah Decreases Berkurang 3 Which process occurs when an iodine crystal is heated at room temperature and pressure to form purple vapour? Proses manakah yang berlaku apabila hablur iodin dipanaskan pada suhu dan tekanan bilik untuk membentuk wap ungu? A Condensation Kondensasi C Evaporation Penyejatan 1

Transcript of 20150320-210822

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Time: 1 hour 15 minutesMasa: 1 jam 15 minit

This paper consists of 50 questions. Answer all questions. Every question is followed by four alternative answers A, B, C and D. For each question, choose one answer only. Blacken your answer on the objective answer sheet provided. If you wish to change your answer, erase the blackened mark that you have made. Then blacken the new answer. Bahagian ini mengandungi 50 soalan. Jawab semua soalan. Tiap-tiap soalan diikuti oleh empat pilihan jawapan iaitu A, B, C, dan D. Bagi setiap soalan, pilih satu jawapan sahaja. Hitamkan jawapan kamu pada kertas jawapan objektif yang disediakan. Jika kamu hendak menukar jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapan yang baru.

1 Which substance is an element?Bahan manakah yang merupakan suatu unsur?A Water

AirC Ethane

Etana

B CarbonKarbon

D NaphthaleneNaftalena

2 A sample of ammonia gas is cooled.Which of the following is true about the velocity and the size of its particles?Satu sampel gas ammonia disejukkan.Antara berikut, yang manakah benar tentang halaju dan saiz zarahnya?

  Velocity of the particlesHalaju zarah

Size of the particlesSaiz zarah

A IncreasesBertambah

No changeTidak berubah

B DecreasesBerkurang

No changeTidak berubah

C DecreasesBerkurang

DecreasesBerkurang

D IncreasesBertambah

DecreasesBerkurang

3 Which process occurs when an iodine crystal is heated at room temperature and pressure to form purple vapour?Proses manakah yang berlaku apabila hablur iodin dipanaskan pada suhu dan tekanan bilik untuk membentuk wap ungu?A Condensation

KondensasiC Evaporation

Penyejatan

B SublimationPemejalwapan

D FreezingPembekuan

1

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4 The boiling point of Y is 76°C. Which graph represents the heating curve of solid Y?Takat didih Y ialah 76°C. Graf yang manakah mewakili lengkung pemanasan bagi pepejal Y?A

B

2

D

C

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5 Diagram 1 shows a model of an atom. Rajah 1 menunjukkan satu model atom.

Diagram 1Rajah 1

Which scientist introduced this model?Ahli sains manakah yang memperkenalkan model ini?A Ernest Rutherford C John Dalton B James Chadwick D Niels Bohr

6 What are isotopes?Apakah isotop?A Atoms of the same element with the same number of protons

Atom-atom bagi unsur yang sama dengan bilangan proton yang sama

B Atoms of the same element with the same number of neutronsAtom-atom bagi unsur yang sama dengan bilangan neutron yang sama

C Atoms of the same element with different number of neutronsAtom-atom bagi unsur yang sama dengan bilangan neutron yang berbeza

D Atoms of the different elements with the same number of protonsAtom-atom bagi unsur yang berbeza dengan bilangan proton yang sama

7 Diagram 2 shows the symbol for element X.X is not the actual symbol of the element.Rajah 2 menunjukkan simbol bagi unsur X.X bukan simbol sebenar bagi unsur itu.

XDiagram 2

Rajah 2

Which of the following shows the number of neutrons and electron arrangement in atom X?Antara yang berikut, yang manakah menunjukkan bilangan neutron dan susunan elektron dalam atom X?

  Number of neutronsBilangan neutron

Electron arrangementSusunan elektron

A 11 2.8.1B 11 2.8C 10 2.8D 10 2.8.1

8 Table 1 shows the proton numbers of elements M and N.M and N are not the actual symbols of the elements.Jadual 1 menunjukkan nombor proton bagi unsur M dan N.M dan N bukan simbol sebenar unsur-unsur itu.

ElementUnsur

Proton numberNombor proton

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M 7N 15

Table 1Jadual 1

Which of the following statements are true about elements M and N?Antara yang berikut, yang manakah benar tentang unsur M dan unsur N?I Elements M and N are in the same group in the Periodic Table

Unsur M dan unsur N berada dalam kumpulan yang sama dalam Jadual Berkala

II Atom M has a bigger atomic size than atom NAtom M mempunyai saiz atom yang lebih besar daripada atom N

III Element M is more reactive than element NUnsur M adalah lebih reaktif daripada unsur N

IV Atoms M and N have five valence electronsAtom M dan atom N mempunyai lima elektron valens

A I and III dan II

C II and IIIII dan III

B I and IVI dan IV

D III and IVIII dan IV

9 How many times are 8 calcium atoms heavier than 2 helium atoms?[Relative atomic mass: Ca = 40, He = 4]Berapa kalikah 8 atom kalsium lebih berat daripada 2 atom helium?[Jisim atom relatif: Ca = 40, He = 4]A 4 C 40B 6 D 312

10 Table 2 shows the number of neutrons and nucleon number of an atom.Jadual 2 menunjukkan bilangan neutron dan nombor nukleon bagi suatu atom.

Number of neutronsBilangan neutron

Nucleon numberNombor nukleon

2 5Table 2Jadual 2

Which of the following diagrams shows the atomic structure of the atom?Anatara rajah berikut, yang manakah menunjukkan struktur atom bagi atom itu?A C

B D

11 Which pair of compound and its relative molecular mass is correctly matched?[Relative atomic mass: N = 14, O = 16, Cl = 35, Xe = 131, F = 19, H = 1]

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Pasangan sebatian dan jisim molekul relatif manakah yang dipadankan dengan betul?[Jisim atom relatif: N = 14, O = 16, Cl = 35, Xe = 131, F = 19, H = 1]

  CompoundSebatian

Relative molecular massJisim molekul relatif

A NO2 60B NCl3 119C XeF6 395D N2H4 46

12 Which of the following is equal to 1 mole of oxygen?Antara berikut, yang manakah bersamaan dengan 1 mol oksigen?A 6.02 × 1023 of oxygen molecules C The number of molecules in 12g of Oxygen

6.02 × 1023 molekul oksigen Bilangan molekul dalam 12g oxygen

B 6.02 × 1023 of oxygen atoms D The number of atoms in 12g of oxygen6.02 × 1023 atom oksigen Bilangan atom dalam 12g oksigen

13 The relative molecular mass of a compound is 175.Which of the following is the chemical formula of the compound?[Relative atomic mass: Br = 80, F = 19, C = 12, H = 1, N = 14, Cl = 35]Jisim molekul relatif bagi satu sebatian ialah 175.Antara yang berikut, yang manakah merupakan formula kimia bagi sebatian itu?[Jisim atom relatif: Br = 80, F = 19, C = 12, H = 1, N = 14, Cl = 35]A BrF5 C NCl3

B C2H6 D CH4

14 The proton number of atom M is 16 and its relative atomic mass is 32.Which statement about M is correct?Nombor proton bagi atom M ialah 16 dan jisim atom relatifnya ialah 32.Pernyataan manakah yang betul tentang M?A The molar mass of M is 32 g mol−1

Jisim molar bagi M ialah 32 g mol−1

B The mass of 1 atom of M is 32 gJisim bagi 1 atom M ialah 32 g

C The molar mass of M is 32 g mol−1

Jisim molar bagi M ialah 32 g mol−1

D Atom M has 16 protons, 16 electrons and 32 neutronsAtom M mempunyai 16 proton, 16 elektron dan 32 neutron

15 How many moles of silver nitrate contains 5.418 × 1022 formula units of silver nitrate?[Avogadro constant: 6.02 × 1023 mol−1]Berapakah mol argentum nitrat yang mengandungi 5.418 × 1022 unit formula argentum nitrat?[Pemalar Avogadro: 6.02 × 1023 mol−1]A 90 C 0.9B 9 D 0.09

16 Which of the following contains 6.02 × 1023 formula units?Antara berikut, yang manakah mengandungi 6.02 × 1023 unit formula?A 1 mole of zinc sulphate C 1 mole of carbon

1 mol zink sulfat 1 mol karbon

B 1 mole of oxygen gas D 1 mole of water 1 mol gas oksigen 1 mol air

17 What is the mass of 0.1 mole of bromine, Br2?

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[Relative atomic mass: Br = 80]Berapakah jisim bagi 0.1 mol bromin, Br2?[Jisim atom relatif: Br = 80]A 1 600 g C 16 gB 160 g D 0.1 g

18 Which of the following gases contains 4.52 × 1023 atoms at room conditions?[Avogadro constant = 6.02 × 1023 mol−1; Molar volume of gas = 24 dm3 mol−1 at room conditions]Antara gas berikut, yang manakah mengandungi 4.52 × 1023 atom pada keadaan bilik?[Pemalar Avogadro = 6.02 × 1023 mol−1; Isi padu molar gas = 24 dm3 mol−1 pada keadaan bilik]A 18 dm3 He C 18 dm3 SO2

B 18 dm3 N2 D 18 dm3 C2H6

19 Which of the following gases contains 0.4 mol of atoms at room temperature and pressure?[1 mole of a gas occupies 24 dm3 at room temperature and pressure]Antara gas berikut, yang manakah mengandungi 0.4 mol atom pada suhu dan tekanan bilik?[1 mol gas menempati isi padu sebanyak 24 dm3 pada suhu dan tekanan bilik]A 9.6 dm3 He C 9.6 dm3 CO2

B 9.6 dm3 N2 D 9.6 dm3 C2H6

20 What is the mass of nitrogen gas, N2, which occupies a volume of 280 cm3 at room temperature and pressure?[Relative atomic mass: N = 14; Molar volume of gas = 24 dm3 mol−1 at room temperature and pressure]Berapakah jisim gas nitrogen, N2, yang mengandungi isi padu 280 cm3 pada suhu dan tekanan bilik?[Jisim atom relatif: N = 14; Isi padu molar gas = 24 dm3 mol−1 pada suhu dan tekanan bilik]A 326.67 g C 7.84 gB 188.16 g

D0.33 g

21 A sample of copper iodide contains 1.28 g of copper and 5.08 g of iodine.What is the empirical formula of this compound?[Relative atomic mass: Cu = 64, I = 127]Suatu sampel kuprum iodida mengandungi 1.28 g kuprum dan 5.08 g iodin.Apakah formula empirik bagi sebatian ini?[Jisim atom relatif: Cu = 64, I = 127]A CuI C Cu3I2

B CuI2 D Cu3I4

22 What is the mass of silver needed to combine completely with 0.5 mole of iodine atoms to form silver iodide, AgI?[Relative atomic mass: Ag = 108]Berapakah jisim argentum yang diperlukan untuk bergabung secara lengkap dengan 0.5 mol atom iodin untuk membentuk argentum iodida, AgI?[Jisim atom relatif: Ag = 108]A 54.0 g C 540.0 gB 63.5 g D 635.0 g

23 Which compound has the empirical formula of CH2O?Sebatian manakah yang mempunyai formula empirik CH2O?A HCOOH C C6H5COOHB CH3COOH D CH3COOCH3

24 An experiment is carried out to determine the empirical formula of copper oxide.The heating, cooling and weighing processes are done several times but a constant mass of the product is still not obtained.Which of the following can be done to get a constant mass of the product?Satu eksperimen dijalankan untuk menentukan formula empirik kuprum oksida.

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Proses pemanasan, penyejukan dan penimbangan diulang beberapa kali tetapi jisim hasil yang tetap masih tidak diperoleh.Antara berikut, yang manakah boleh dilakukan untuk memperoleh jisim hasil yang tetap?A Dry hydrogen gas is passed through the combustion tube non-stop during heating

Gas hidrogen kering dialirkan berterusan melalui tabung pembakaran semasa pemanasan

B Dry hydrogen gas is passed through the combustion tube during coolingGas hidrogen kering dialirkan melalui tabung pembakaran semasa penyejukan

C The combustion tube must be slanted slightly during heatingTabung pembakaran perlu dicondongkan sedikit semasa pemanasan

D The combustion tube must be stoppered during weighingTabung pembakaran perlu disumbat semasa penimbangan

25 Which of the following chemical equations is correctly balanced?Antara persamaan kimia berikut, yang manakah diseimbangkan dengan betul?A ZnO + HNO3 → Zn(NO3)2 + H2O B KI + Pb(NO3)2 → PbI2 + KNO3 C 2Fe + 3CuCl2 → 2FeCl3 + 3Cu D Na + H2O → NaOH + H2

26 The following equation represents the reaction between magnesium carbonate and dilute hydrochloric acid.Persamaan berikut mewakili tindak balas antara magnesium karbonat dan asid hidroklorik cair.

MgCO3 + 2HCl → MgCl2 + H2O + CO2

What is the volume of carbon dioxide, CO2, released when 19.32 g of magnesium carbonate, MgCO3 reacts completely with dilute hydrochloric acid, HCl, at room conditions?[Relative atomic mass: Mg = 24, C = 12, O = 16; Molar volume: 24 dm3 mol−1 at room temperature]Berapakah isi padu karbon dioksida, CO2, yang terbebas apabila 19.32 g magnesium karbonat, MgCO3 bertindak balas lengkap dengan asid hidroklorik cair, HCl, pada keadaan bilik?[Jisim atom relatif: Mg = 24, C = 12, O = 16; Isi padu molar: 24 dm3 mol−1 pada keadaan bilik]A 11.040 dm3 C 5.152 dm3

B 5.520 dm3 D 2.760 dm3

27 The following statements refer to the contributions of a scientist in the development of the Periodic Table.Pernyataan berikut merujuk kepada sumbangan seorang ahli sains dalam membangunkan Jadual Berkala.

• Arranged all the elements according to the order of increasing atomic massMenyusunkan semua unsur yang diketahui pada masa itu mengikut tertib jisim atom yang bertambah

• Characteristics which are similar repeat at every eighth elementSifat-sifat yang sama didapati berulang semula pada setiap unsur kelapan

Who was the scientist?Siapakah ahli sains itu?A Henry Moseley C Antoine LavoisierB John Newlands D Johann W.Dobereiner

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28 Diagram 3 shows the electron arrangement of atom X.X is not the actual symbol of the element.Rajah 3 menunjukkan susunan elektron bagi atom X.X bukan simbol sebenar unsur itu.

Diagram 3Rajah 3

Which of the following is the position of element X in the Periodic Table?Antara yang berikut, yang manakah merupakan kedudukan unsur X dalam Jadual Berkala?

  GroupKumpulan

PeriodKala

A 18 2B 2 8C 10 2D 8 10

29 Which of the following elements are in Group 18 in the Periodic Table?Antara unsur berikut, yang manakah terletak dalam Kumpulan 18 dalam Jadual Berkala?A Nitrogen and hydrogen C Nitrogen and krypton

Nitrogen dan hydrogen Nitrogen dan kripton

B Hydrogen and nitrogen D Krypton and argonHidrogen dan nitrogen Kripton dan argon

30 Element S forms ion S2+ and ion S3+.Which of the following electron arrangements is possible for element S?Unsur S membentuk ion S2+ dan ion S3+.Antara susunan elektron berikut, yang manakah mungkin bagi unsur S?A 2.8.8 C 2.8.8.7B 2.8.8.3 D 2.8.14.2

31 Table 3 shows the proton number for silicon and phosphorus.Jadual 3 menunjukkan nombor proton bagi silikon dan fosforus.

ElementUnsur

Proton numberNombor proton

SiliconSilikon

14

PhosphorusFosforus

15

Table 3Jadual 3

Which of the following statements explains that phosphorus element is more electronegative than silicon

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element?Antara pernyataan berikut, yang manakah menerangkan unsur fosforus adalah lebih elektronegatif daripada unsur silikon?A The atomic size of phosphorus is bigger

Saiz atom fosforus lebih besar

B The phosphorus atom has less valence electronsAtom fosforus mempunyai kurang elektron valens

C The phosphorus atom accepts electrons more easilyAtom fosforus lebih cenderung menerima elektron

D The positive charge of the nucleus of phosphorus atom is lowerCas positif bagi nukleus atom fosforus lebih rendah

32 Which of the following elements can form acidic oxide?Antara unsur-unsur berikut, yang manakah membentuk oksida bersifat asid?I Sodium

Natrium

II SiliconSilikon

III MagnesiumMagnesium

IV PhosphorusFosforus

A I and IIII dan III

C II and IIIII dan III

B I and IVI dan IV

D II and IVII dan IV

33 Which industrial process and its catalyst is correct?Proses industri dan mangkin digunakan yang manakah adalah betul?

  Industrial processProses industri

CatalystMangkin

A Ostwald processProses Ostwald

NickelNikel

B Haber processProses Haber

IronFerum

C HydrogenationPenghidrogenan

Vanadium(V) oxideVanadium(V) oksida

D Contact processProses Sentuh

PlatinumPlatinum

34 The following information is about the properties of a metal.Maklumat berikut adalah mengenai sifat-sifat suatu logam.

• Can be used as a catalystBoleh digunakan sebagai mangkin

• Able to form complex ionsBerupaya membentuk ion kompleks

• Able to form coloured compoundsBerupaya membentuk sebatian yang berwarna

Which metal has the properties stated above?Logam manakah yang mempunyai sifat-sifat yang dinyatakan di atas?A Copper C Calcium

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Kuprum Kalsium

B SodiumNatrium

D AluminiumAluminium

35 Diagram 4 shows an incomplete Periodic Table.Rajah 4 menunjukkan satu Jadual Berkala yang tidak lengkap.

Diagram 4Rajah 4

What is the special characteristic for element T?Apakah ciri khas unsur T?A Reacts with both acids and bases C Forms complex ions

Bertindak balas dengan kedua-dua asid dan bes Membentuk ion-ion kompleks

B Reacts vigorously with water D It is a semi-metalBertindak balas dengan air Merupakan separuh logam

36 Which substance is an element?Bahan manakah merupakan suatu unsur?A Carbon dioxide C Water

Karbon dioksida Air

B Ammonia D IronAmmonia Ferum

37 Diagram 5 shows the electron arrangements of atoms S and T.S and T are not the actual symbols of the elements.Rajah 5 menunjukkan susunan elektron bagi atom S dan atom T.S dan T bukan simbol sebenar bagi unsur tersebut.

Diagram 5Rajah 5

Which pair of formula and the type of compound is correct?Pasangan formula dan jenis sebatian manakah yang betul?

  FormulaFormula

Type of compoundJenis sebatian

A ST2 Covalent

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Kovalen

B ST IonicIonik

C ST2IonicIonik

D ST CovalentKovalen

38 Which statement explains why noble gases are chemically inert?Pernyataan manakah yang menerangkan mengapa gas-gas adi adalah lengai secara kimia?A The number of neutrons of noble gas atoms are high

Bilangan neutron bagi atom gas adi adalah tinggi

B The melting points and boiling points of noble gases are lowTakat lebur dan takat didih gas adi adalah rendah

C The outermost shells of noble gas atoms have a stable electron arrangementPetala terluar bagi atom gas adi mempunyai susunan elektron yang stabil

D The forces of attraction of the nucleus on the valence electrons are very strongDaya tarikan antara nukleus terhadap elektron valens adalah sangat kuat

39 Element P does not combine with one another or with other elements to form compound.P is not the actual symbol of the element.Which proton number is possible for element P?Unsur P tidak berpadu antara satu sama lain atau dengan unsur-unsur lain untuk membentuk sebatian.P bukan simbol sebenar unsur.Nombor proton manakah yang mungkin bagi unsur P?A 18 C 16B 17 D 9

40 Element S and element T are located in Group 1 and Group 16 in the Periodic Table respectively. Element S reacts with element T to form a compound.What is the chemical formula of the compound?Unsur S dan unsur T masing-masing terletak dalam Kumpulan 1 dan Kumpulan 16 dalam Jadual Berkala. Unsur S bertindak balas dengan unsur T untuk membentuk suatu sebatian.Apakah formula kimia bagi sebatian itu?A S3T2 C S2TB ST2 D ST

41 Diagram 6 shows the electron arrangement of P ion.Rajah 6 menunjukkan susunan elektron bagi ion P.

Diagram 6Rajah 6

How many valence electrons are there in atom P?Berapakah bilangan elektron valens dalam satu atom P?A 5 C 2B 4 D 1

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42 The electron arrangements of atom X is 2.8.2 and atom Y is 2.6.What is the molar mass of a compound formed when atom X combine with atom Y?[Relative atomic mass: X = 24; Y = 16]Susunan elektron bagi atom X ialah 2.8.2 dan atom Y ialah 2.6.Berapakah jisim molar bagi sebatian yang terbentuk apabila atom X bergabung dengan atom Y?[Jisim atom relatif: X = 24; Y = 16]A 40 g mol−1 C 64 g mol−1

B 56 g mol−1 D 80 g mol−1

43 What is the meaning of ionic bond?Apakah maksud ikatan ionik?A A chemical bond formed through the transfer of electrons from a metal atom to a non-metal atom

Ikatan kimia yang terbentuk melalui pemindahan elektron dari satu atom logam kepada satu atom bukan logam

B A chemical bond formed through the sharing of electrons between non-metal atomsIkatan kimia yang terbentuk melalui perkongsian elektron antara atom-atom bukan logam

C A chemical bond formed through the sharing of electrons between metal atomsIkatan kimia yang terbentuk melalui perkongsian elektron antara atom-atom logam

D A chemical bond formed by van der Waals forces between the non-metal atomsIkatan kimia yang terbentuk oleh daya van der Waals di antara atom-atom bukan logam

44 Which of the following has ionic bonds between its particles?Antara berikut, yang manakah mempunyai ikatan ionik antara zarah-zarahnya?A Ammonia C Zinc sulfide

Ammonia zinc sulfida

B Methane D Carbon dioxideMetana karbon dioksida

45 Which statement is true about the reaction of a beryllium atom with flourine to form beryllium flourida?[Proton number: Be = 4, F = 9]Pernyataan manakah yang benar tentang tindak balas atom berilium dengan florin untuk membentuk berilium fluorida?[Nombor proton: Be = 4, F = 9]A One beryllium atom donates two electrons each to two flourine atoms

Satu atom berilium menderma dua elektron kepada dua atom florin

B One beryllium atom donates one electron each to two flourine atomsSatu atom berilium menderma satu elektron kepada dua atom florin

C One beryllium atom shares two electrons with two flourine atomsSatu atom berilium berkongsi dua elektron dengan dua atom florin

D One beryllium atom shares one electron with two flourine atomsSatu atom berilium berkongsi satu elektron dengan dua atom florin

46 The electron arrangement of atom P is 2.8.1 and the electron arrangement of atom Q is 2.8.6.Which statement is true when P and Q form a compound?Susunan elektron atom P ialah 2.8.1 dan susunan elektron atom Q ialah 2.8.6.Pernyataan manakah yang benar apabila P dan Q membentuk sebatian?A The compound formed has a formula of PQ

Sebatian yang terbentuk mempunyai formula PQ

B An ionic compound is formedSatu sebatian ionik terbentuk

C Atom Q releases 6 electronsAtom Q melepaskan 6 elektron

D Atom P receives 1 electronAtom P menerima 1 elektron

47 Which compound can conduct electricity in a molten state?Sebatian manakah yang boleh mengalirkan elektrik dalam keadaan leburan?

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A Sulphur C Potassium nitrateSulfur kalium nitrat

B Naphthalene D Hydrogen chlorideNaftalena Hidrogen klorida

48 Which of the following pairs of physical properties of sodium chloride is true?Antara pasangan sifat fizik berikut, yang manakah benar tentang natrium klorida?

  Solubility in waterKeterlarutan dalam air

Electrical conductivity in a molten stateKekonduksian elektrik dalam keadaan leburan

A InsolubleTidak larut

Conducts electricityMengkonduksikan elektrik

B InsolubleTidak larut

Cannot conduct electricityTidak mengkonduksikan elektrik

C SolubleLarut

Conducts electricityMengkonduksikan elektrik

D SolubleLarut

Cannot conduct electricityTidak mengkonduksikan elektrik

49

Diagram 7Rajah 7

The compound formedSebatian yang terbentukA has high melting point and boiling point C insoluble in organic solvent

mempunyai takat lebur dan takat didih yang tinggi tidak larut dalam pelarut organik

B conducts electricity in a molten state B vaporise easilymengalirkan elektrik dalam keadaan leburan mudah meruap

50 Table 4 shows the proton numbers of elements M and N.Jadual 4 menunjukkan nombor proton bagi unsur M dan N.

ElementUnsur

Proton numberNombor proton

M 9N 20

Table 4Jadual 4

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Element M reacts with element N to form a compound.Which of the following is a property of the compound?Unsur M bertindak balas dengan unsur N untuk membentuk satu sebatian.Antara berikut, yang manakah merupakan sifat bagi sebatian itu?A Low melting point and boiling point

Takat lebur dan takat didih yang rendah

B Does not conduct electricityTidak mengalirkan elektrik

C Does not vaporise easilyTidak mudah meruap

D Insoluble in waterTidak larut dalam air

END OF QUESTIONS

SCHEME ANSWER PEPERIKSAAN PERTENGAHAN TAHUNKIMIA TINGKATAN 4 2015Answer:

1 B          2 B          3 B          4 D          5 B6 C          7 B          8 B          9 C          10 B11 B        12 A        13 C        14 A        15 D16 A        17 C        18 A        19 A        20 D21 B        22 A        23 B        24 B        25 C26 B        27 B        28 A        29 D        30 D31 D        32 D        33 B        34 A        35 C36 D        37 B        38 C        39 A        40 C41 D        42 A        43 A        44 C        45 A46 B        47 C        48 C        49 C        50 D