(a) Chemical change
(b) Acidic and basic solutions can be prepared by dissolving the products of the above process in water
CaO+H2O →Ca(OH)2 (basic solution)
CO2 + H2O→H2 CO3 (acidic solution)
Synthetic detergents are preferred for cleaning clothes. When soaps are dissolved in water
containing calcium ions, these ions form insoluble salts that are of no further use. However, when synthetic detergents...
(B) (ii) and (iii)
Slaking of lime is accompanied by liberation of heat, hence it is an exothermic reaction. Calcium hydroxide is an alkali and its aqueous solution (i.e., lime water)...