Polyhalogen Compounds and Their Uses

The molecular formula of Freon 12 is 

The removal of paint or varnish by _____.

Dichloromethane is very harmful to human.

Why the dichloromethane used as solvent?

List out the uses of dichloromethane.

Complete the following reaction: ${\mathrm{CHCl}}_3 + {\mathrm{O}}_2 \stackrel{\mathrm{light}}{\to } \mathrm{\_\_\_\_\_}$.

Explain why chloroform is always kept in closed dark coloured bottles.

The IUPAC name of carbon tetrachloride is $1, 1, 1, 1$$-$tetrachloroethane.

Carbon tetrachloride is harmful for humans as well as environment.

Write the common name of carbon tetrachloride with its structure.

Write any two uses of carbon tetrachloride.

What are uses of $\mathrm{DDT}$?

Write short notes on following-

D.D.T.

Write short notes on following-

Freon.

Write the chemical formula of followings-

Freon-$11$

What is the use of DDT?

Which gas is formed when chloroform is left open in the air?

Which compound gives a yellow precipitate with ${\mathrm{AgNO}}_3$?