KS3 Chemistry – Pure and impure substances – 1 – Exam Style Questions with Answers

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KS3_GEN_CHE_SUBSTANCE_1

1 / 10

In a ______________, one substance is dissolved in another substance.

2 / 10

Pearl was confused in differentiating between pure and impure substances.
Can you tell which one is a pure Substances?

3 / 10

Fruit Loops, pizza, and Skittles are examples of __________ mixtures.

4 / 10

What is the name of the process that occurs when salt is added to water and then stirred until the solid is no longer visible?

5 / 10

What process allows you to smell freshly baked bread in a supermarket, even when you are far from the bakery aisle?

6 / 10

In a activity Dev dissolved some sugar with water. How will he separate Sugar form water?

7 / 10

Stephen adds fruit to his yogurt. This is an example of a ……

8 / 10

What happens to the boiling point of water when salt is added to it?

9 / 10

Max is hungry and he prepares cereal with milk. This is an example of a ……………….

10 / 10

Butter is separated from milk by………….

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