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WorksheetsForm 3 Chemistry
Total questions: 25
Worksheet time: 13mins
How can I separate iodine and salt?
Sublimation
Distillation
Evaporation
Filtration
How can I separate salt and water?
Distillation
Filtration
Evaporation
Separating funnel
How can I separate oil and water?
Distillation
Evaporation
Separating funnel
Filtration
How can I separate iron filings and salt?
Magnetism
Separating Funnel
Distillation
Filtration
How can I separate chalk and water?
Magnetism
Filtration
Distillation
Evaporation
What type of bonding occurs between a metal and a non-metal?
Covalent
Ionic
Metallic
Dative
What type of bonding is present in an alloy?
Ionic
Covalent
Dative
Metallic
What type of bonding occurs between two non-metals?
Ionic
Covalent
Dative
Metallic
What type of bonding do we expect in salt?
Ionic
Covalent
Dative
Metallic
What type of bonding do we expect in chlorine?
Ionic
Covalent
Metallic
None
What type of bonding do we expect in Brass?
Ionic
Covalent
Metallic
None
What is the electronic configuration of a Calcium atom?
2, 8, 8
2,8,8,2
2,8,2
2,8
What is the electronic configuration of a sodium ion?
2,8
2,8,1
2,1
2
What is the electronic configuration of an oxygen ion?
2,6
2,8
2
2,8,2
What is the composition of air?
78% Oxygen, 21% Nitrogen, 1% Carbon dioxide and others
78% Carbon dioxide, 21% Oxygen, 1% Nitrogen and others
78% Nitrogen, 21% Oxygen, 1% Carbon dioxide and others
78% Nitrogen, 21% Oxygen, 1% Water and others
What is the expected percentage of water/humidity in the air?
0-12%
0-4%
10-12%
4-6%
Which experimental set up is used to find % oxygen in air in the lab?
Which lab set up is correct to test % Nitrogen in the air?
Which of the following is a greenhouse gas?
Carbon dioxide
Nitrogen oxides
Sulfur dioxide
Carbon monoxide
Which of the following gases are poisonous to humans?
Carbon dioxide
Carbon monoxide
Nitrogen dioxide
Sulfur dioxide
Which of the following gases cause acid rain?
Carbon monoxide
Nitrogen oxides
Sulfur dioxide
Carbon dioxide
What nature does rain naturally have?
Acidic
Amphoteric
Alkaline
Neutral
Which salts are responsible for the permanent hardness of water?
Calcium and magnesium sulfates
Calcium and magnesium hydrogen carbonates
Calcium and magnesium carbonates
Calcium and magnesium hydrogen sulfates
What are the salts responsible for temporary water hardness?
Calcium and magnesium sulfates
Calcium and magnesium hydrogen carbonates
Calcium and magnesium carbonates
Calcium and magnesium hydrogen carbonates
Which two of the below are required for the formation of rust?
Water
Salt
Oxygen
Nitrogen
