Benzene hexachloride $(BHC)$ is used as

Which of the following is an anaesthetic?

The commercial name of trichloroethene is:

State the various uses of:
$(i)$ Dichloromethane (Methylene chloride)
$(ii)$ Trichloromethane (Chloroform)
$(iii)$ Tri-iodomethane (Iodoform)
$(iv)$ Tetrachloromethane (Carbon tetrachloride)
$(v)$ Freons

Match List-$I$ with List-$II$ :

List-$I$ (Compound)	List-$II$ (Uses)
$A$. Iodoform	$I$. Fire extinguisher
$B$. Carbon tetrachloride	$II$. Insecticide
$C$. $CFC$	$III$. Antiseptic
$D$. $DDT$	$IV$. Refrigerants

Choose the correct answer from the options given below :

Which of the following is used in photography?