Give reason:

Why does sulphur dissolve when carbon disulphide is added to a mixture of iron and sulphur, but not when it is added to iron sulphide?

Give two examples of the following type of mixture:

Solid-solid

Give two examples of a solid-liquid type of mixture.

Give two examples of the liquid-gas type of mixture.

Give two examples of the gas-gas type of mixture.

Name the components present in the mixture 'brass'.

Name the components present in the mixture 'duralumin'.

Name the components present in the mixture 'tap water'.

Name the components present in the mixture 'bronze'.