Question

Compound A which is used in white washing when mixed with water to form compound

B which is used to find the presence of CO2. When compound B reacts with CO2 to form

compound C which gives white shinny nature.​

Answer 1

Answer:

compound A is CaO ( Quick lime)

compound B is Ca(OH)2 ( Slaked lime)

compound C is CaCO3 ( Calcium Carbonate)

Answer 2

Answer:

compound a is calcium hydroxide Ca(OH)2

is used in white washing

Ca(OH)2+CO2_____CaCO3+H2O

calcium hydroxide reacts with carbon dioxide to give calcium carbonate and water

Calcium carbonate is formed two or three days of white washing and gives a shiny finish to the walls.