Que 1. Name the acid present in vinegar.  Ans. Ethanoic acid Que 2. Two solutions A and B...

Que 1. What is an olfactory indicator? Name two such indicators. Ans. Those substances whose smel...

Que 1. When zinc metal treated with a dilute solution of a strong acid, a gas is evolved, which is u...

Que 1. (i) In the following schematic diagram for the preparation of hydrogen gas as shown as figure...