Question

Q15. (i) Compound 'A' when dissolved in water gives compound 'B which is used in
whitewashing .Compound 'B' reacts with CO2 to form a white precipitate of compound C
Identify compounds 'A', 'B' and 'C'. Also, write the equ. tions involved.

plzzzz answer this question​

Answer 1

A-CaO

B-Ca(OH)2

C-CaCO3

or

A-calcium oxide

B-calcium hydroxide

C-calcium carbonate

CaO+H2o----->Ca(OH)2

Ca(OH)2 + CO2----->CaCO3

Hope this helps.

Answer 2

Answer:

Compound 'A'-CaO(Calcium Oxide)

Compound 'B'-Ca(OH)2[Calcium hydroxide]

Compound 'C'-CaCO3(Calcium carbonate)

The equations are:-

CaO+H2O====>Ca(OH)2

&

Ca(OH)2+CO2=====>CaCO3

Hope its help to u tanusha✌

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