What name is given to the common salt which is mined from underground deposits ? How was this salt formed ?
Deposits of common salt are also found in the earth. This salt is called __________.
(a) Name the process by which common salt is obtained from sea-water.
(b) Name the process by which common salt is purified.
When zinc react with hot and concentrated NaOH, a colourless salt is formed. Name this colourless salt.
Potassium oxide reacts with dilute nitric acid to form a soluble salt. Name this salt.