Which of the following is $NOT$ an example of freons?

Match List-$I$ with List-$II$ and select the correct answer using the options given below.

List-$I$	List-$II$
$I$. Iodoform	$A$. Anaesthetic
$II$. Methyl salicylate	$B$. Antiseptic
$III$. Diethyl ether	$C$. Insecticide
$IV$. Hexachlorocyclohexane	$D$. Detergent
	$E$. Pain balm

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?

Some halogen-containing compounds are useful in daily life. Some compounds of this class are responsible for the exposure of flora and fauna to increasing amounts of $UV$ light,which causes significant destruction. Name the class of these halocompounds. In your opinion,what should be done to minimize the harmful effects of these compounds?

Name some halogen compounds used in daily life and suggest ways to minimize their adverse effects.