WorksheetsRust Formation
Total questions: 10
Worksheet time: 5mins
Which metal rusts?
Copper
manganese
iron
potassium
What environmental element is needed for rusting?
nitrogen
oxygen
carbon
hydrogen
A rusting bicycle is a ____________.
physical change
chemical change
What conditions are required for rusting?
dry, cold conditions
dry, hot conditions
hot, damp conditions
any conditions
What is the chemical name given to rust?
Iron dioxide
Iron oxide
Steel oxide
Carbon dioxide
What prevents rusting?
Painting, Oiling, Galvanizing
Washing with water
Leaving it outside
Adding salt
In which tube will the nail go rusty?
The nail in tube A will go rusty.
The nail in tube B will go rusty.
The nail in tube C will go rusty.
What is the purpose of the anhydrous calcium chloride in this investigation?
To protect the iron nail
To increase the rate of the rusting process
To absorb the moisture in the air
To supply oxygen in the test tube
Rusting only occurs when there is a presence of both water and air (oxygen).
True
False
Rusting is a reversible change.
True
False
