Y8 Chemical Reactions
Passage
•
Chemistry
•
8th Grade
•
Easy
Wayground Content
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the substances called that react together in a chemical reaction?
Elements
Compounds
Products
Reactants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical reaction, the total mass of reactants compared to the total mass of products is:
Greater
Unpredictable
Lesser
Equal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a word equation represent in a chemical reaction?
The reactants and products
The physical state of reactants and products
The temperature change during the reaction
The conservation of mass
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is the result of an incomplete combustion?
Carbon dioxide + Water
Oxygen + Water
Carbon monoxide + Water
Carbon + Water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction takes in heat from the surroundings?
Exothermic reaction
Endothermic reaction
Oxidation reaction
Reduction reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is formed in a precipitation reaction?
An insoluble solid
A liquid
A soluble solid
A gas
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