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Chemical Reactions

Authored by April Harris

Chemistry

11th - 12th Grade

NGSS covered

Used 1+ times

Chemical Reactions
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21 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In a ___________change, a substance changes into a different substance.

Physical
Chemical

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Law of Conservation of Mass states

that matter exists in all states and reacts the same
that matter can only be changed into new substances by introducing a catalyst
that matter exists in the same state throughout any chemical change
that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants

Tags

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many Al atoms are in this compound?         4Al2O3

2
8
6
4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many F atoms are in this compound?
6MgF2 

2
6
8
12

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

a copper penny turning greenish after a few years.

Chemical Change
Physical Change

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

An gel ice pack getting cold after you put it in the freezer for an hour.

Chemical Change
Physical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following IS a physical change?

Getting a haircut
Rusty metal
sour milk
A compound

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