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SNC1P CHEMISTRY: LAB SAFETY & EQUIPMENT QUIZ#1

PART A: MULTIPLE CHOICE (10 MARKS)Choose the best response in each case and place your answer in the appropriate space on your answer sheet.

1. Chemicals can be ground up using

(a) an evaporating dish.

(b) a reagent bottle.(c) a mortar and pestle.

2. If you ever get acid in your eye, you should

(a) quickly rinse your eye with water from the

inner corner of the eye outward.

(b) quickly rinse your eye with water from the

outside corner of the eye inward.

(c) immediately run to the nurse’s office.

3. Acids and bases are usually stored in

(a) beakers.(b) reagent bottles.

(c) test tubes.

4. When mixing acid and water,

(a) always pour the water into the acid very slowly.

(b) always pour the acid into the water very slowly.

(c) always mix equal parts in a third container.

5. If a piece of electrical equipment has a frayed wire

(a) it is OK to use as long as sparks are not

shooting from the wire.(b) it is OK to use as long as you don’t touch the

frayed part.

(c) it should be thrown away.

6. The instrument used to measure mass is called

(a) a graduated cylinder.

(b) a balance.(c) a metre stick.

7. The drawing at the right

is

(a) beaker tongs.

(b) test tube holders.

(c) crucible tongs.

8. The drawing on the right is:

(a) a Florence flask.

(b) a beaker(c) an Erlenmeyer flask.

9. When performing a science experiment you should

(a) read all instruction before beginning.

(b) double check all measurements with a partner

(c) both “a” and “b”.

10. The proper way to smell an unknown chemical is

(a) to use an odorometer.

(b) to carefully place your nose at the edge of the

container and breathe deeply.(c) hold the container about an arm’s length away

& wave your hand across the top, cautiously

sniffing from a distance.

PART B: MATCH (5 MARKS)Match the definition from the 1 column to the best term in the 2 column and place the matching letter in thest nd

appropriate space on your answer sheet.

1. Used to grow bacteria and mold.

2. Used to protect your eyes during an experiment.3. Tall glass tube used to mix liquids or perform experiments.

4. Used to heat objects up.

5. Used to handle hot beakers.

A) beaker tongs

B) Bunsen burnerC) goggles

D) mortar & pestle

E) petr i d ish

F) reagent bottle

G) spot plate

H) test tube holder

I) test tube rack

J) test tube

8/9/2019 Lab Safety & Equipment

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SNC1P CHEMISTRY: LAB SAFETY & EQUIPMENT QUIZ#1

PART A: MULTIPLE CHOICE (10 MARKS)1 2 3 4 5 6 7 8 9 10

PART B: MATCH (5 MARKS)1 2 3 4 5

PART C: SHORT ANSWER (25 MARKS)

Answer the following questions in the space provided. If more space is needed, use the back of this sheet.

{4} 1. Match up the following WHMIS descriptions and symbols (see example).

  oxidizing material

  dangerously reactive material

  compressed gas

  biohazardous infectious material

 H poisonous & infectious material causing other toxic effects

{6} 2. For each HHPS symbol below indicate (a) why and (b) to what degree a product is dangerous (see example).

SYMBOL

WHY corrosive

DEGREE caution

{5} 3 . Ind icate whether

each of the following

statements is true

(T) or false (F).

  Open-toed sandals are acceptable footware for science experiments.

  If your partner reads a lab procedure, then you probably don’t need to.

  Never work alone in the science lab.  A hot beaker can be handled with beaker tongs.

  Eating and drinking are not allowed during a lab, but gum and candy are okay.

{4} 4. What do the following acronyms stand for?

(a) WHMIS

(b) HHPS

{3} 5. Why is it important to standardize safety symbols?

 

{3} 6. In class we discussed “hazardous chemicals” and some of the problems they present. What are two ways that

we are dealing with the problems?