Give reason:

Why do sugar and water retain their individual properties in a sugar solution?

Give reason:

Why do petrol and water form a heterogeneous mixture?

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'.