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Test-2-Review

Authored by Selma Sakar

Chemistry

10th - 12th Grade

Used 4+ times

Test-2-Review
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60 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define a physical change.

A change to a substance that occurs without forming a new substance.

A change in matter that produces one or more new substances.

A change that undergoes a chemical reaction.

None of the above.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a sign that a chemical reaction has occurred?

change in shape

formation of a gas

melting

dissolving

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the following: 
35 milliseconds to seconds

0.035 seconds
0.35 seconds
3.5 seconds
0.0035 seconds

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What do these isotopes of carbon all have in common?

neutrons & mass number
atomic number and neutrons
atomic number and electrons
protons, atomic number, and mass number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many neutrons in C-14?

6
7
14
8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A piece of wood is sawed in two.

Physical Change

Chemical Change

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An iron shovel is rusting.

Physical Change

Chemical Change

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