Question

Match Column A with Column B.
Column A Column B

(i) Causes hardness in water A. Calcium oxide
(ii) Causes ozone depletion B. Concentrated sulphuric acid
(iii) Dehydrating agent C. Magnesium bicarbonate
(iv) Causes acid rain D. Chloroflurocarbon
(v) Drying agent E. Nitrogen dioxide

Answer 1

if helpful so mark it as a brainaliest please

Answer 2

(i) - C

(ii) - D

(iii) - B

(iv) - E

(v) - A

Explanation:

The correct answers are:

(i) Causes hardness in water -- C. Magnesium bicarbonate

(ii) Causes ozone depletion -- D. Chloroflurocarbon

(iii) Dehydrating agent        -- B. Concentrated sulphuric acid

(iv) Causes acid rain            -- E. Nitrogen dioxide

(v) Drying agent                   -- A. Calcium oxide

Concentrated sulphuric acid can act as a drying agent as well as a dehydrating agent.