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1st year chemistry topic #rumsbyquizs
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
An example of a pure substance is
Water from the tap
Lemonade
Sugar
Milk
2
The solubility of a substance
decreases with higher temperature
increases at higher temperature
stays the same with higher temperature
3
A pure substance is
made of only one single chemical
a mixture of chemicals
4
How would you describe a foam?
A solid held in a liquid network
A gas held in a solid network
A liquid held in a gas network
5
What substance will NOT dissolve in water?
Sugar
Salt
Copper Sulfate
Oil
6
A naturally occurring mixture is
Salt
Water
Lemonade
Air
7
What technique separates a dissolved solid from a solution?
Chromatogrpahy
Evaporation
Filtration
Distillation
8
A solution which cannot dissolve any more solute in it is known as
Saturated
Full
Unsaturated
Dissolved
9
What can you use to separate an insoluble solid from a liquid?
filter paper
A beaker
chromatography paper
10
Chromatography separates a mixture of
different liquids
different colours
a solid from a solution
11
If a substance can dissolve it is said to be
Insoluble
Soluble
a Suspension
Invisible
12
Which type of washing powder contains an enzyme?
Biological
Non-Biological
13
Which one of these liquid mixtures has a gas in it?
Coca-cola
Salt water
Milk
Tea
14
What is Amalgam used for?
Making musical instruments
Making jewellery
Making coins
Making dental fillings
15
What is the liquid called that dissolves a substance?
Soluble
Solution
Solvent
Solute
