EASY
JEE Main
IMPORTANT
Earn 100
The green house gas/es is (are):
(A) Carbon dioxide
(B) Oxygen
(C) Water vapour
(D) Methane
Choose the most appropriate answer from the options given below:
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Important Questions on Environmental Chemistry
MEDIUM
JEE Main
IMPORTANT
The type of pollution that gets increased during the daytime and in the presence of is :
MEDIUM
JEE Main
IMPORTANT
Biochemical Oxygen Demand is the amount of oxygen required (in ):
EASY
JEE Main
IMPORTANT
The pH of rain water is approximately:
EASY
JEE Main
IMPORTANT
Which of the following conditions in drinking water causes methemoglobinemia?
EASY
JEE Main
IMPORTANT
A water sample has ppm level concentration of the following metals:
.
The metal that makes the water sample unsuitable for drinking is
EASY
JEE Main
IMPORTANT
The layer of atmosphere between to above the sea level is called as:
EASY
JEE Main
IMPORTANT
Excessive release of into the atmosphere results in
EASY
JEE Main
IMPORTANT
The correct order of the oxidation states of nitrogen in and is
