Q.

What is the nature of the new product which is formed by the action of water on quick lime

1 Neutral  
2 Acidic  
3 Amphoteric  
4 Basic  

Ans.

(4)

When quick lime is added to water, it reacts to form slaked lime (Ca(OH)2). Slaked lime or calcium hydroxide is basic in nature because it dissociates into OH- ions when dissolved in aqueous solution.