Question

Consider the following (i) Aqueous solution of compound A is used for white washing. (ii) Compound B gives a shiny finish to the walls. (iii) Compound C is used in black and white photography Compounds C, A and B respectively are (1) AgCl, CaCO3 and Ca(OH)2 (2) CaCO3, AgCl and Ca(OH)2 (3) AgCl, CaO and CaCO3 (4) CaO, CaCO3 and AgBr

Answer 1

Answer:

1

Explanation:

because of Ag property is white

caco3 means chalk used for wall

Answer 2

Answer:

The answer is (1)

Explanation:

Agcl is the compound which is used in black & white photography

When ca(OH)2 is applied on the walls, it reacts slowly with the CO2 to form H2O & caCo3 which is form as a layer that is shiny in appearance