Chemical Reactions

Chemical Reactions

8th Grade

20 Qs

quiz-placeholder

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Chemical Reactions

Chemical Reactions

Assessment

Quiz

Chemistry

8th Grade

Practice Problem

Easy

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following models best demonstrates a balanced chemical equation?

F
G
H
J

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is melting ice a chemical or physical change?

chemical
physical

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is glass breaking a chemical or phyiscal change?

chemical
physical

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is melting butter for popcorn a chemical or physical change?

chemical
physical

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the left part of a chemical equation called?
H2 + O → H2O

Reactants
Products 
Yields 
Chemical Equation 

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this balanced?
2HgO → 2Hg + O2

Yes
No

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this balanced?
Al + O2 → 2Al2O3

Yes
No

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