Chemical Reactions Knowledge Check three
Interactive Video
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Hard
Jasmine Ford
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical reaction called that occurs in a campfire?
Decomposition
Combustion
Photosynthesis
Oxidation
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) is an example of an Exothermic reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of reaction releases heat into the surroundings?
Thermal decomposition
Catalytic reaction
Exothermic
Endothermic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during an endothermic reaction?
Mass is conserved.
Atoms are rearranged to form new substances.
Heat is absorbed from the surroundings.
Heat is released into the surroundings.
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
_______ _____________ is an example of an Endothermic reaction
(a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select the two products for the thermal decomposition of Copper carbonate.
Copper Oxide
Copper Hydroxide
Water
Carbon Dioxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of compounds regularly undergo thermal decomposition?
Metal Carbonates
Metal Hydroxides
Metal oxides
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