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Environmental Chemistry

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
Air pollution that occurs in sunlight is :
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Q JEE Main 2019
Water filled in two glasses A and B have BOD values of 10 and 20, respectively. The correct statement regarding them, is
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Q JEE MAIN 2019
The higher concentration of which gas in air can cause stiffness of flower buds?
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Q JEE MAIN 2019
Taj Mahal is being slowly disfigured and discoloured. This is primarily due to :
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Q JEE MAIN 2019
The reaction that is NOT involved in the ozone layer depletion mechanism in the stratosphere is :
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Q JEE MAIN 2021
In stratosphere most of the ozone formation is assisted by :
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Q JEE-MAIN 2021
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Photochemical smog...
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Q JEE MAIN 2021
The gas 'A' is having very low reactivity reaches to stratosphere. It is non–toxic and non–flammable but dissociated by UV—radiations in stratosphere. The intermediates formed...
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Q JEE MAIN 2019
Assertion : Ozone is destroyed by CFCs in the upper stratosphere.
Reason : Ozone holes increase the amount of UV radiation reaching the earth.
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Q JEE MAIN 2021
BOD values (in ppm) for clean water (A) and polluted water (B) are expected respectively :
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