Question

Compound a when dissolved in water gives compound b which is used in white washing compound b reacts with co2 to form a white precipitate of compound


c.identify compound a,b. also write the equations

Answer 1

ca0+h20=ca(oh)2
ca(oh)2+co2=caco3

Answer 2

☆●ÃѧWÈŔ●☆

➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️

Element A is calcium (Ca). When it reacts with water, it forms calcium hydroxide. Thus, compound B is calcium hydroxide [Ca(OH)2], which is used in white washing.