LEV KS3 Y7 Chemical Reactions
Quiz
•
Chemistry
•
7th - 8th Grade
•
Medium

Science Department
Used 193+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical reaction, mass will:
Increase
Decrease
Stay the same
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is needed for combustion?
Fuel
Heating
Oxygen
All of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct equation for combustion?
Hydrocarbon + carbon dioxide water + energy
Hydrocarbon + Oxygen carbon dioxide + water ( + energy)
Energy + oxygen Carbon dioxide + water
Hydrocarbon + water Oxygen + energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxidation is :
The loss of oxygen
The gain of oxygen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When copper carbonate is heated it forms copper oxide and carbon dioxide. What type of reaction is this called?
Oxidation
Reduction
Thermal decompostion
Dispalcement reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reaction that transfers energy to the surrounding is called what?
Endothermic
Exothermic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reaction that takes in energy from the suroundings is called what?
Endothermic
Exothermic
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