The apparatus suitable for measuring specific volumes of liquids is called?

1. Burette
2. Volmetric flask
3. Pipette
4. Measuring cylinder
5. Graduated beaker

Briefly explain what will be observed when silver nitrate solution is added to aqueous solution of sodium chloride.

(i) What is the first step to take when you want to identify the contents of a given salt containing one anion and one cation?

(ii) In a solution of water, identify a solute and a solvent. Justify your answer.�(4 marks)

Give an account of the following

(i) Anhydrous copper (II) sulphate becomes coloured when exposed to the air for a long time.

(ii) Carbon dioxide can be collected by the downward delivery method.

(iii) Concentrated sulphuric acid is not used for drying hydrogen sulphide gas.

(iv)�Sodium metal is kept in paraffin oil. (4 marks)