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WorksheetsKS3 Chemistry
Total questions: 10
Worksheet time: 10mins
Which of the following is a non metal?
Silicon
Aluminium
Calcium
Iron
Which of the following substances is a compound?
Brass
Hydrogen
Water
Air
Which of the following substances can not conduct electricity?
Copper
Gold
Graphite
Rubber
What are the products of the following reaction?
Calcium carbonate + Hydrochloric acid →
Calcium chloride + water
Calcium chloride + water + carbon dioxide
Calcium chlorate + water
Calcium chlorate + water + carbon dioxide
Which of the following displacement reactions would NOT work?
Iron + Sodium chloride → Sodium +
Iron chloride
Magnesium + Copper sulfate → Copper +
Magnesium sulfate
Copper + Silver nitrate → Silver +
Copper nitrate
Potassium + Zinc oxide → Zinc +
Potassium oxide
When universal indicator is added to a colourless aqueous solution, the solution turns orange. What could the pH of the solution be?
1
4
7
12
In which state of matter are particles very close together but can move around freely?
Solid
Liquid
Gas
Fluid
When hydrochloric acid is added to magnesium, a gas is given off that makes a squeaky pop noise when lighted. What is this gas?
Helium
Hydrogen
Carbon dioxide
Oxygen
The movement of particles from a high concentration to a low concentration is called
refraction
displacement
oxidation
diffusion
A mixture of dyes can be separated by
evaporation
filtration
chromatography
distillation
