Which of the following activity does not involve use of water?

(d) comprehensive programme to protect all the physical and biological components

(d) Demarcation of Wildlife sanctuaries

[Hint : Racemic mixture is obtained.]

Answer: (c) Dispose polypacks after shopping

(d) any or all of the above

(d) Rainwater harvesting

Activity you perform                                               Device Get light       ...

(D) Combustion of Liquefied Petroleum Gas (LPG)

In the past 10 years use of electricity and LPG has increased while use of wood, upla, coal, etc. has decreased.

c) Prolonged electrolysis of water