Give breif information about the types of smog.
Mention the harmful effect of ultra violet radiations.
Match List$-I$ with List$-II$
List$-I$ Industry | List$-I$Waste Generated |
$A$ Steel plants | $I$ Gypsum |
$B$ Thermal power plants | $II$ Fly ash |
$C$ Fertilizer industries | $III$ Slag |
$D$ paper mils | $IV$ Bio-degradable Wastes |
Choose the correct answer from the options given below:
Give information on uses of green chemistry in day to day life.
Write two uses of $PCBs$.