Question

Name, from the list of substances given below, the substance which you would use to prepare each of the following salts named in Part (i) to (iv).

The substances are:

Dilute sulphuric acid, copper, lead, dilute nitric acid, dilute hydrochloric acid, copper oxide, lead carbonate, sodium carbonate, sodium and zinc.

(i) Lead sulphate.

(ii) Copper sulphate.

(iii) Sodium sulphate.

(iv) Zinc sulphate.

(v) What are the two steps necessary to change lead carbonate into lead chloride ?

(vi) Give the name of a soluble lead salt and write the equation for the action of heat on this salt.

Answer 1

(i) For lead sulphate lead carbonate and dilute sulphuric acid are required.

(ii) For copper sulphate copper oxide and dilute sulphuric acid are required.

(iii) For sodium sulphate sodium carbonate and dilute sulphuric acid are required.

(iv) For zinc sulphate zinc and dilute sulphuric acid are required.