Define the following and give two examples in each case : (a) a normal salt, (b) an acid salt, (c) a basic salt.

Answer the following questions related to salts and their preparations:

(a) What is a 'salt' ?

(b) What kind of salt is prepared by precipitation?

(c) Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.

(d) Name the procedure used to prepare a sodium salt such as sodium sulphate.

How would you prepare copper sulphate crystals from a mixture of charcoal and black copper oxide.

How would you prepare zinc sulphate crystals from zinc dust (powdered zinc and zinc oxide).