Module i Seminar Skor a Chemistry Spm 2010

7/29/2019 Module i Seminar Skor a Chemistry Spm 2010

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OBJECTIVE

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M o d u l e I S e m i n a r S c o r e A + C h e m i s t r y S P M 2 0 1 0


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In this seminar, we will discuss a few aspects including the needs of a question and finding the key words

for answering this question. You will also be given a simple way of memorizing certain topics. We hope

that you will make use all the knowledge obtained in this seminar towards achieving excellence in

chemistry consequently in your academic achievements that will make your family and school proud of

you.

EXAM FORMAT FOR SPM CHEMISTRY PAPERS

PAPERPAPER 1

[ 4541/1]

PAPER 2

[ 4541/2]

PAPER 3

[4541/3]

Item

Objective question

Multiple choice

&

Multiple

combination

Subjective question

Section A

Structured questionsSection B

Limited response questionsSection C

Open response questions

Structured

question

& Open response

question

Number of questions 50 (answer all)

Section A

6 questions

(answer all)Section B

2 question

( choose one)Section C

2 question

( choose one)

Structured questions

1-2 questions

(answer all)

Design and planning

the experiment

1 question

(compulsory)

Total marks 50 100 50

Ways to response Marked on OMR form

Written in the space provided in the

question paper

Written in the space

provided in the

question paper

Duration of time 1 hour 15 minutes 2 hours 30 minutes 1 hour 30 minutes

Construct

Knowledge:

20 questions

Understanding:

15 questions

Application:

15 question

Knowledge: 14%

Understanding:21%

Application: 29%

Analysing: 21%

Synthesising: 15%

Sciences process skills:

13 sciences process

skills

Level of difficulty

L: 25 questions

M: 15 questions

H: 10 questions

L:50%

M:30%

H:20%

ANALYSIS OF THE SPM CHEMISTRY PAPERS

[2002 2008]

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PAPER 2

CHAPTERS

YEAR

2002 2003 2004 2005 2006 2007 2008

FORM4 1. Introduction to chemistry

2. The structure of the atom 2 1 1b 1a3. Chemical formulae

and questions

11 1 1a

4. Periodic Table of elements 1 1 1 1a 1/2a

1/2a5. Chemical bonds 1 1a

6. Electrochemistry 1 1 2 1b

7. Acids and bases 1 1 2 1c

8. Salts 1b 1c

9. Manufactured substances

in industry

1 2 1 1 1a 1a

F

ORM5 10. Rate of reaction 1 1 1 1 1c 1a

11. Carbon compounds 1 1 2 1c 1a

12. Oxidation and reduction 1 1 1 1a 1c13. Thermochemistry 1 1 1 2 1a

14. Chemical for consumer 1 1 1 1 1 1a 1b

PAPER 3

CHAPTERSYEAR

2002 2003 2004 2005 2006 2007 2008

FO

RM4 1. Introduction to chemistry

2. The structure of the atom 1

3. Chemical formulae

and questions

1

4. Periodic Table of elements 1 1(sps)

5. Chemical bonds

6. Electrochemistry 1[sps] 1(de)

7. Acids and bases 1

8. Salts

9. Manufactured substances

in industry

1 1

FORM5 10. Rate of reaction

11. Carbon compounds 1 1

12. Oxidation and reduction 1

13. Thermochemistry 1 1[de]14. Chemical for consumer

Note : sps sciences process skills, de design the experiment

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MISTAKES ANSWERS COMMONLY MADE BY THE CANDIDATES

1. What is the meaning of scum?

Ca

+

and Mg

+

ions form in hard water [1 mark]

Correct answer:

2. What are the two ions in sea water that cause the information of scum?

Calcium ions, Ca+ and Magnesium ions, Mg+ [2 marks]

Correct answer: .

3. State the name of catalyst used in manufacture of sulphuric acid.

Vanadium oxide [1 mark]

Correct answer:..

4. Chlorine reacts with sodium to form a compound.

State the type of chemical bond in this compound

Ionic compound [1 mark]

Correct answer: ..

5.

Diagram above shows part of the periodic Table of Elements. Q,R,T,X and Y do not

represent the actual symbol of the elements.

Arrange all the elements according to the increases in size of the atoms

T,X,Y,Q,R [1 mark]

Correct answer:

4 | M o d u l e S k o r A K i m i a B e r i t a H a r i a n 2 0 1 0


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7. Diagram below shows a sodium chloride compound, NaCl, that is produced by the formation of an

ionic bond between a sodium ion, Na+, and a chloride ion, Cl-.

How are a sodium ion and a chloride ion formed from their respective atoms?

Sodium ion : sodium donates electron

Chloride ion : chlorine received electron [2 marks]

Correct answer:

Sodium ion:

Chloride ion: ..

8.

Diagram above shows the arrangement of electron for sodium atom.

From the diagram, the nucleus contains

Eleven proton number and twelve neutron number [ 1 mark]

Correct answer: .



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Method of Drawing Diagrams

Set 1:

Set 2:

Set 3:



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ANSWERS WITH IN CORRECT TERMS, WORDS OR INCORRECT KEY WORDS.

BIL.INCORRECT TERMS

[TIDAK TEPAT]

CORRECT TERMS

[TEPAT]

1. Chocolate precipitate

2. A stable atom

3. Melting point is the point where solid changes to

liquid.

4. Clear solution

5. Nucleus contains 1 proton number and 1 neutronnumber

6. Sodium donates electron

7. Magnesium is more active than zinc

8. ECS

9. In the electrochemical series, magnesium is more

reactivethan zinc

10

In the reactivity series, magnesium is more

electropositive than zinc



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QUESTION A

Table below shows the description and observation for one experiment.

Experiment

Description Observation

Electrolysis of 1.0 mol dm-3 of

sodium sulphate solution usingcarbon electrodes.

Gas bubbles are released at the

anode and cathode.

Based on Experiment :

Draw the set up of the apparatus to carry out this experiment.

In your diagram show how the products at the anode and cathode are collected.

[3 marks]

QUESTION B:

Diagram below shows the set-up of apparatus in an experiment to determine the empirical formula of

an oxide of lead.

Which of the following is not correct in the set-up of apparatus for this experiment?

I No Bunsen burner

II Fixing of the cork

III Position of the thistle funnelIV Position of the deliver tube

A I and III only

B II and IV only

C I, II, and III only

D I, III, and IV only



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QUESTION C

Balance each of the following equations:

[Seimbangkan persamaan berikut]

i. Chemical equation.

Mg + .. HCl MgCl2 + H2

ii. Ionic equation for the forming of water

O2- + ........H + H2O

iii. Ionic equation.

Na Na+ + ..............

......H + + ............... H2iv. Half equation

MnO4- + .............H+ + ................Mn2 + + .............. H2O

Cr2O72- + ...........H+ + ................. ...........Cr3+ + ..........H2O

QUESTION D

CHEMICAL TESTS

Type of gases Method Observation

Hydrogen

Oxygen

Chlorine

Carbon dioxide


Module i Seminar Skor a Chemistry Spm 2010

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