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Physical Science: Chapter 19: Chemical Reactions
Authored by Greg Schaller
Science
9th - 12th Grade
NGSS covered
Used 4+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
T / F
1) Atoms rearranging into new molecules is a chemical change.
2) Water freezing from liquid water into ice is also a chemical change.
1: T
2: F
1: T
2: T
1: F
2: T
1: F
2: F
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Balancing equations is based on the principle:
matter is not created or destroyed in a chemical reaction
every single bond remains single, every double bond remains double, every triple bond remains triple
every atom must be bonded to a new, different element
molecules only grow in size with chemical reactions
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3 NO --> N2O + NO2
Is this chemical equation balanced?
Yes
No
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
SiO2 + 4 HF --> SiF4 + 2 H2O
Is this chemical equation balanced?
Yes
No
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2 Fe + O2 --> Fe2O3
Is this chemical equation balanced?
Yes
No
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
H2 + O2 --> H2O
Is this chemical equation balanced?
Yes
No
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4 NH3 + 5 O2 --> 4 NO + 6 H2O
Is this chemical equation balanced?
Yes
No
Tags
NGSS.MS-PS1-5
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