92. Match the following a) Caustic soda i) NaHCO3 b) Baking soda ii) CaSO4. 2H2O c) Gypsum iii) Caso. Ho d) Plaster of Paris itNaOH (a) (b) (c) (d) (a) (b) (c) (d) 1) (1) 3) (iv) (ii) (i) (iii) (iii) (iv) (ii) 2) (1) 4) (iv) (iv) (i) (ii)
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Answered by
1
Answer:
Correct option is
A
(1) → (ii), (2) → (iii), (3) → (iv), (4) → (i)
1) Plaster of Paris is CaSO
4
⋅
2
1
H
2
O. It is calcium sulphate and it differs from gypsum only with water of crystallization.
2) Gypsum is formed if plaster of paris absorbs moisture becomes a hard material.
CaSO
4
⋅2H
2
O
3) Bleaching powder is calcium oxychloride which is used for bleaching purposes.
4) Slaked lime is known as calcium hydroxide.
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0
Answer:
gypsum - caso4.2h2o baking soda nahco3 plaster of paris - caso4.1/2h2o
caustic soda - naoh
Explanation:
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