Chemical Reactions Unit Study Guide
Authored by Holly Sundal
Science
7th Grade
NGSS covered
Used 2+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a mixture?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an element?
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the chemical reaction below, what are the products? 2 H₂O₂ → 2 H₂O + O₂
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of molecules have a low melting point?
Tags
NGSS.MS-PS1-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compounds can be separated only by __________.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formation of rust on iron is a chemical change because ________.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a chemical change?
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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