Question

Match the column I with column II and mark the appropriate choice.

Column I		Column II
(A)	Carbon tetrachloride	(i)	Paint remover
(B)	Methylene chloride	(ii)	Refrigerators and air conditioners
(C)	$DDT$	(iii)	Fire-extinguisher
(D)	Freons	(iv)	Non-biodegradable insecticide

• A. $(A)\to (ii)$, $(B)\to (iii)$, $(C)\to (i)$, $(D)\to (iv)$
• B. $(A)\to (vi)$, $(B)\to (iii)$, $(C)\to (ii)$, $(D)\to (i)$
• C. $(A)\to (i)$, $(B)\to (ii)$, $(C)\to (iii)$, $(D)\to (iv)$
• D. $(A)\to (iii)$, $(B)\to (i)$, $(C)\to (iv)$, $(D)\to (ii)$

Answer 1

Answer: (D)

A) Carbon tetrachloride is colorless, non-inflammable, and is used as a fire extinguisher.
B) Methylene chloride is used as a paint remover.
C) DDT is a chlorinated organic and non-biodegradable insecticide.
D) Freons are produced for aerosol propellants, refrigerators, and air conditioners.