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Match the following columns and select the correct option.

Column I
(Common Name)

Column II
(Chemical Name)
(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

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(1) →c,

(1) →a,

(1) →b,

(1) →d,

answer is A.

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Detailed Solution

Concept- The formula for bleaching powder is calcium oxychloride, chemically written as

.
The second compound is baking soda. It is called sodium bicarbonate or sodium hydrogen carbonate. Its chemical formula is

.
Next compound is washing soda. Its chemical formula is

. It is called sodium carbonate decahydrate.
Plaster of Paris is a hemihydrate which means that one molecule of water is shared by 2 molecules of the anhydrous form of it which is nothing but calcium sulphate. Its chemical formula is

Hence, the correct option is 1. (1) →c, (2) →a, (3) →b, (4) →d.

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