Give reasons
Aluminium alloys are used to make aircraft body.

Aluminium is not used to make :

Give reasons (a) Platinum, gold and silver are used to make jewellery. (b) Sodium, potassium and lithium are stored under oil. (c) Aluminium is a highly reactive metal, yet it is used to make utensils for cooking. (d) Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

Give reasons : Aluminium is more abundant than gold in the Earth's crust, yet it is the gold and not aluminium that has been known to man since ancient times.

Give reasons why? Aluminium cannot be obtained by the reduction of its oxide with carbon.

Give reasons Aluminium utensils should not be kept in water overnight.

Give reasons : Impure diamond is used to cut glass.

Give reasons : Magnesium is used in fire works.

Aluminium is used for making alloys because of its

Which alloy of aluminium is used in air-craft industry ?

Give reasons for the following: Aluminium containers are used as packaging containers.