Rewrite the following statements by adding the correct word as shown in the example:

(a) Sulphuric acid acts as a dehydrating agent.
(b) Ammonia reacts with chlorine to give ammonium chloride and nitrogen.

(ii) Identify only the anion present in the following compound:
(a) The compound on heating produces a colourless, odourless gas which turns lime water milky and has no effect on acidified potassium dichromate solution.
(b) The solution of the compound which on treating with concentrated sulphuric acid and freshly prepared ferrous sulphate solution produces a brown ring.

(iii) Mohan has three solutions P, Q and R having a pH of 13, 5 and 2 respectively. Which of the above solutions P, Q or R:
(a) will react with Magnesium to liberate hydrogen gas?
(b) will liberate ammonia gas when it reacts with ammonium chloride?
(c) will contain molecules as well as ions?

(iv) The following table is related to an Industrial process of an acid.

Identify (a), (b) and (c).

Solution

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