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CDM-QUIZ CHEMISTRY CHEMICAL SAFETY

Total questions: 55

Worksheet time: 26mins

Name
Class
Date
1.
Where is the best place to store a chemical?
a)
refrigerator
b)
locked cabinet
c)
beside a furnace
d)
on your bathroom shelf
2.
What should you always read before using a chemical?
a)
the pricetag
b)
the label
c)
the customer reviews
d)
nothing, use away!
3.
What is a chemical?
a)
the smallest part of all matter
b)
a substance that changes constantly
c)
something you drink
d)
a substance with a fixed composition.
4.
Which PPE would you use if the label says it has dangerous fumes?
a)
gloves
b)
goggles
c)
mask
d)
apron
5.
If that label says the chemical needs to be in a well ventilated room, what should you do?
a)
call poison control
b)
open the windows
c)
close the doors
d)
turn off the lights
6.
Why can a chemical be dangerous?
a)
it might change colors
b)
it might become unstable
c)
it might turn to a solid
d)
chemicals aren't dangerous
7.
If something is flammable, that means it can
a)
cause cancer
b)
catch on fire easily
c)
irritate the eyes
d)
nothing
8.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
9.
Keeping your work area neat and clean is important because:
a)
My teacher is a neat-freak
b)
I won't lose my supplies in the clutter.
c)
It keeps the room from looking messy.
d)
It helps prevent accidents.
10.
At the end of the lab you see some leftover chemical that looks just like the stuff you were using.  You should:
a)
put the chemical back in the jar it came from.
b)
sweep it into your hand and throw it out.
c)
tell the teacher so you can dispose of it properly.
d)
tell your classmates that your lab partner is really messy.
11.
What is an MSDS?
a)
A new virus recently discovered in Madagascar
b)
Mohs Safety Decision System
c)
Material Safety Data Sheet
d)
Master Safety Detection Scenario
12.
What action should you NOT do when working with compressed gases?
a)
Ensure the tank is clearly labeled
b)
Ensure the regulator is attached when moving the tank
c)
Do not drop or strike cylinder
d)
Store gas tank in a well ventilated area
13.
Which item is NOT part of the hazard diamond system? 
a)
Health
b)
Flammability
c)
Volatility
d)
Reactivity
14.
When dealing with chemical spills, what does NEAR stand for
a)
Nervous Exacerbate Accident Reach 
b)
Notify, Evacuate, Assemble Report 
c)
Never Enter Areas (that are) Restricted
d)
Notify Enter Area Research
15.
What does OSHA stand for?
a)
Overseas Safety and Hospital Association
b)
Occupational Standardization and Happiness Administration
c)
Occupational Health and Safety Administration 
d)
Overtime Safety Harmonization Agency
16.

What does this symbol indicate?

a)

corrosive

b)

flammable

c)

explosive

d)

poisonous

17.

This symbol represents

a)

biohazardous infectious material

b)

oxidizing material

c)

poisonous and infectious material

d)

corrosive material

18.

This symbol represents

a)

materials causing toxic effects

b)

poisonous and infectious material

c)

dangerously reactive material

d)

flammable and combustible material

19.

What does this symbol indicate?

a)

explosive

b)

flammable

c)

poison

d)

corrosive

20.
What kind of change is a phase change?
a)
Physical - it's still the same substance
b)
chemical - it's made of chemicals 
21.
A chemical change happens when...
a)
a substance is changed at the atomic level 
b)
bonds are broken and formed 
c)
a new substance is made
d)
all of the above! 
22.
The compounds or elements present at the end of a reaction 
a)
reactants
b)
catalyst
c)
products
d)
energy 
23.
Balance this equation.
_CF4 + _Br2 -- _CBr4 + _F2
a)
2,1,2,1
b)
1,2,2,1
c)
1,2,1,2
d)
2,2,2,2
24.
When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
a)
charge
b)
subscript
c)
random number
d)
coefficient
25.
What are the products in the following chemical equation? 
2H2 + O2   -->   2H2O
a)
H2
b)
O2
c)
2H2 + O2
d)
2H2O
26.
CH4 + 2 O2 → CO2 + 2H2O
 In this equation, CH4 is a
a)
product
b)
reactant
c)
displacement
27.

What are the products of this reaction?

Zn(s) + H2SO4(aq) -->

a)

Zn(SO4)2 + H

b)

ZnSO4 + H2

c)

ZnSO4 + H

d)

Zn2SO4 + H2

e)

No reaction

28.

What are the products of this reaction:

C2H4 + O2 -->

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H

d)

CO2 + H2O

e)

No Reaction

29.
What is the name for the solid formed during a reaction?
a)
Precipitate
b)
Rocks
c)
Bubbles
d)
Aqueous 
30.
The symbol for a substance dissolved in water is
a)
(s)
b)
(l)
c)
(g)
d)
(aq)
31.

This symbol represents

a)

dangerously reactive material

b)

flammable and combustible material

c)

materials causing toxic effects

d)

biohazardous material

32.
Who should you call immediately if a you or someone else swallows poison?
a)
your doctor
b)
poison control
c)
your neighbor
d)
911
33.
What is an example of a household chemical?
a)
air freshener
b)
table
c)
water
d)
baby food
34.

What type of horseplay is okay in the lab?

a)

Wresting

b)

Tests of Strengths

c)

All of the Above

d)

NONE, the lab is no place for this

35.

When can you perform experiments?

a)

Anytime I want

b)

When nobody is looking

c)

When the teacher gives me permission

d)

When my friends says I can

36.

When should I study the lab procedure?

a)

Before I come to class

b)

When I get to school

c)

During lab

d)

After the lab has ended

37.

Which answer choice has all lab safety equipment?

a)

fire blanket, desks, first-aid kit, and sun glasses

b)

hair net, fire extinguisher, gas and water shutoff valves

c)

fire blanket, fire extinguisher, first-aid kit, gas and water shutoff valves, lab coat, and goggles

d)

sun screen, bug spray, 12 day water supply, and matches

38.

Should you transfer your chemicals by mouth?

a)

Yes

b)

No

c)

Depends

39.

Where should the combustible materials be place?

a)

By the flame

b)

On top of the flame

c)

Away from open flames

d)

In a brown paper bag

40.

How should hair look when in lab?

a)

shaved

b)

put in a mohawk

c)

pulled behind the neck and tied

d)

on fire

41.

Approved eye protection devices (such as goggles) are worn in the laboratory

a)

to avoid eye strain

b)

to improve your vision

c)

only if you don't have corrective glasses

d)

any time chemicals, heat, or glassware is used

42.

If you do not understand a direction or part of a lab procedure, you should

a)

figure it out as you do the lab

b)

try several methods until something works

c)

ask the instructor before proceeding

d)

skip it and go on to the next part

43.

You are heating a piece of glass and now want to pick it up. You should

a)

use a rag or paper towels

b)

pick up the end that looks cooler

c)

use tongs

d)

pour cold water onit

44.

Personal eyeglasses provide as much protection a

a)

a face shield

b)

safety glasses

c)

splashproof chemical goggles

d)

none of the above

45.

"Route of entry" of chemical - which one incorrect?

a)

Ingestion

b)

Inhalation

c)

Admission

d)

Absorption

46.

Chemical effect to health, which one correct?

a)

Additive Genetic effect

b)

Butterfly effect

c)

Chronic effect

d)

Auger effect

47.

STC stand for?

a)

Silica Tetra-chlorite

b)

Silica Tetra-chloride

c)

Silicon Tetra-chloride

d)

Silicon Tetra-chlorite

48.

Tri-chlorosilane (TCS) has properties as below, except:

a)

Corrosive

b)

Flammable

c)

Radioactive

d)

Toxic

49.

Which chemical release Chlorine (Cl2) gas during decomposition?

a)

Potassium Hydroxide (KOH)

b)

Sodium Hypochlorite (NaOCl)

c)

Caustic Soda (NaOH)

d)

Nitric Acid (HNO3)

50.

Which chemical is non-flammable?

a)

Di-chlorosilane (DCS)

b)

Tri-chlorosilane (TCS)

c)

Silicon Tetra-chloride (STC)

d)

Hydrogen (H2)

51.

Which chemical shall induce vomiting immediately in case of ingestion?

a)

Hydrofluoric Acid (HF)

b)

Caustic Soda (NaOH)

c)

Potassium Hydroxide (KOH)

d)

Barium Chloride (BaCl2)

52.

Inside PCEM, AL and PEL stand for?

a)

Action Limit, Permissible Exposure Level

b)

Action Level, Permissible Exposure Level

c)

Action Limit, Permissible Exposure Limit

d)

Action Level, Permissible Exposure Limit

53.
Disrupting other students in the laboratory with horseplay in the lab is:
a)
helpful.
b)
allowed
c)
dangerous.
d)
the quickest way to do a job.
54.
Which of the following are examples of dressing appropriately in the lab?
a)
Pulling long hair back
b)
Leaving long hair down to get in the chemicals. 
c)
Wearing sandals
55.

If your teacher instructs you to smell a chemical, you should do so carefully in a wafting motion.

a)

True

b)

False

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