Question

Match the following columns.

Column (I)	Column (II)
(1) Bleaching powder	(a) Sodium bicarbonate
(2) Baking soda	(b) Sodium carbonate
(3) Washing soda	(c) Calcium oxychloride
(4) Plaster of Paris	(d) Calcium sulphate hemihydrate

• A. (1) $\to$ (c), (2) $\to$ (a), (3) $\to$ (b), (4) $\to$ (d)
• B. (1) $\to$ (a), (2) $\to$ (b), (3) $\to$ (c), (4) $\to$ (d)
  
• C. (1) $\to$ (b), (2) $\to$ (c), (3) $\to$ (d), (4) $\to$ (a)
  
• D. (1) $\to$ (d), (2) $\to$ (a), (3) $\to$ (b), (4) $\to$ (c)
  

Answer 1

Answer: (A)

Bleaching powder $⟶$ Calcium oxychloride $Ca(OCl{)}_2$

Baking soda $⟶$ Sodium bicarbonate $NaHC{O}_3$

Washing soda $⟶$ Sodium carbonate $N{a}_{2}C{O}_3$

Plaster of Paris $⟶$ Calcium sulphate hemihydrate $CaS{O}_4\cdot 2H_{2}O$