Match the statements in column A with that in column B.
Column A Column B
(a) deliquescent substance (i)sodium bicarbonate
(b) hydroscopic substance (ii) magnesium chloride
(c) efflorescent substance (iii) conc. sulphuric acid
(d) substance causing temporary (iv) washing soda hardness
Column A Column B
(a) deliquescent substance (ii)Magnesium chloride bicarbonate
(b) hydroscopic substance (iii)Conc. sulphuric acid
(c) efflorescent substance (iv)Washing soda
(d) substance causing temporary (i) sodium bicarbonate