Question

bhai koi jade answer do​

Answer 1

Answer:

1) substance 'X' is calcium ocideor quick lime. It's formula is CaO.

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

calcium oxide with water giver calcium hydroxide.

3) the substance 'Y' is Ca(OH) 2

Ca(OH) 2 + CO2 --------> CaCO3 + H2O

calcium hydroxide with carbon dioxide gives white wash and water.

Answer 2

Answer:

(1) CaO is used for white washing

Chemical name = Quick Lime

Formula = CaO

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

(3) Ca(OH)2 + CO2 => CaCO3 + H2O

Hope it Helps!!