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Unit 0 Test review

Authored by Stefanie Barone

Chemistry

10th Grade

Unit 0 Test review
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

If a laboratory fire erupts, immediately _________.

Run for the fire extinguisher.

Notify your instructor.

Throw water on the fire.

Open the windows.

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

You are heating a substance in a test tube. Always point the open end of the test tube ________.

Toward yourself.

Toward your lab partner.

Toward another classmate.

Away from all people.

3.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

True or False:

Return all unused chemicals to their original containers.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

( Fill in the blank) Long hair should be ____________ in the laboratory.

tied back

cut

down

curled

5.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Hot glass looks the same as cold glass.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

The proper technique for smelling chemicals is ______________

keeping your nose close to the glassware
wafting
to sniff only a small amount
Trick question; you never are allowed to smell chemicals in class

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Keeping your work area neat and clean is important because:

My teacher is a neat-freak
I won't lose my supplies in the clutter.
It keeps the room from looking messy.
It helps prevent accidents.

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