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Y8 Chemical Reactions

Y8 Chemical Reactions

Assessment

Passage

Chemistry

8th Grade

Practice Problem

Easy

Created by

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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