Chemicals and chemical formulae — task. Chemistry CBSE Live product, Class 10.

Match the important chemicals given in Column I with the chemical formulae given in Column II.

Column I	Column II
a. Plaster of Paris	1. \(Ca(OH)_2\)
b. Gypsum	2. \(CaSO_4·1/2H_2O\)
c. Bleaching Powder	3. \(CaSO_4·2H_2O\)
d. Slaked lime	4. \(CaOCl_2\)

a - 2, b - 1, c - 4, d - 3
a - 4, b - 3, c - 2, d - 1
a - 2, b - 3, c - 4, d - 1
a - 3, b - 2, c - 4, d - 1

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