Consider the following substances :

$N a C l, C a (O H)_{2}, N a H C O_{3}, N H_{3}, N a_{2} C O_{3}, H_{2} O, C l_{2} C O_{2}, C a S O_{4} .2 H_{2} O, 2 C a S O_{4} . H_{2} O, C a O C l_{2}$

(a) Which two substances combine to form bleaching powder :

(b) Which four substances are utilised in the production of washing soda ?

(c) Which compound represents plaster of Paris ?

(d) Which compound is a part of baking powder ?

(e) Which compound is used as an antacid ?

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Solution

(a) $C a (O H)_{2}$ and $C l_{2}$

(b) NaCl, $N H_{3}$ , $H_{2} O$ and $C O_{2}$

(c) 2 $C a S O_{4} . H_{2} O$

(d) $N a H C O_{3}$

(e) $N a H C O_{3}$

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Similar questions

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

State the chemical property of baking soda on which the following uses are based:
(i) as an antacid.
(ii) as a constituent of baking powder.

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