Chemical Reaction Quiz Review

Quiz
•
Chemistry
•
8th Grade
•
Easy
+2
Standards-aligned

Anonymous Anonymous
Used 10+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is evidence that a chemical reaction has occurred?
gas is formed
salt dissolves in water
ice melts
liquid changes to gas
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a chemical change?
evaporation
condensation
change in odor
melting
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different elements are in this compound?
CaO
1
2
3
4
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3NaCl
How many molecules of sodium chloride?
1
2
3
4
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of hydrogen?
H2O
1
2
3
4
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of Oxygen in this chemical formula?
Li2SO4
1
2
3
4
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The type of reaction that releases energy in the form of heat or light is known as -
endothermic
exothermic
Tags
NGSS.HS-PS1-4
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