14003175
Description
Quiz by Yi Ying Chan, updated more than 1 year ago
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Created by Yi Ying Chan
over 6 years ago
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Question 1
Question
When a substance is impure, the melting point increases.
Answer
- True
- False
Question 2
Question
What are the methods we can use to determine if a substance is pure?
Answer
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Chromatography.
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Distillation.
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Checking melting and boiling points.
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Looking through a microscope.
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Reacting it with other substances.
Question 3
Question
When is purity important?
Answer
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Making orange juice.
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Baby food.
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Drinking water.
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Creating pillowcases.
Question 4
Question
Impure substances melt and boil over [blank_start]a range of temperatures[blank_end].
Answer
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a range of temperatures
Question 5
Question
What industries require substances to be pure?
Answer
-
Sports industry.
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Medicine industry.
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Computer industry.
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Music industry.
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Beauty industry.
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Food industry.
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