14003175
Description
Quiz by Yi Ying Chan, updated more than 1 year ago
|
Created by Yi Ying Chan
almost 6 years ago
|
|
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
-
Chromatography.
-
Distillation.
-
Checking melting and boiling points.
-
Looking through a microscope.
-
Reacting it with other substances.
Question 3
Question
When is purity important?
Answer
-
Making orange juice.
-
Baby food.
-
Drinking water.
-
Creating pillowcases.
Question 4
Question
Impure substances melt and boil over [blank_start]a range of temperatures[blank_end].
Answer
-
a range of temperatures
Question 5
Question
What industries require substances to be pure?
Answer
-
Sports industry.
-
Medicine industry.
-
Computer industry.
-
Music industry.
-
Beauty industry.
-
Food industry.
Want to create your own Quizzes for free with GoConqr? Learn more.