Q.) Which of the given options correctly
represents the Parent acid and base of
Calcium Carbonate?
Ans. (b) Parent Acid : H2CO3
Parent Acid : Ca(OH)2
Explanation: Calcium carbonate, chemical formula CaCO3, is formed from carbonic acid, H2CO3 and the base calcium hydroxide, Ca(OH)2. Ca(OH)2 + H2CO3 → CaCO3 + 2H2O
