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JEE CHEMISTRY MCQ: ENVIRONMENTAL CHEMISTRY
1
Medium
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Understanding
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S-I: The oxides of nitrogen and sulphur combine with rain water and come down as acid rain.
S-II: Acid rains cause depletion of ozone layer
S-II: Acid rains cause depletion of ozone layer
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Correct option: C
S-I is correct and S-II is incorrect
Option B (Increase with time) is correct because initially, the concentration of products is low, so the reaction quotient (Q) is low and increases as the reaction proceeds.
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Given below are two Statements:
Statement I: Classical smog occurs in cool humid climate. It is a reducing mixture of smoke, fog and sulphur dioxide.
Statement II: Photochemical smog has components, ozone, nitric oxide, acrolein, formaldehyde, PAN etc.
In the light of the above statements, choose the most appropriate answer from the options given below. A substance which is not present in nature but added to atmosphere due to human activity and cause adverse effect on environment is called UV radiations bring about The main source of atmospheric pollution is Which of the following is a primary pollutant? Lead in water can cause:
Statement I: Classical smog occurs in cool humid climate. It is a reducing mixture of smoke, fog and sulphur dioxide.
Statement II: Photochemical smog has components, ozone, nitric oxide, acrolein, formaldehyde, PAN etc.
In the light of the above statements, choose the most appropriate answer from the options given below. A substance which is not present in nature but added to atmosphere due to human activity and cause adverse effect on environment is called UV radiations bring about The main source of atmospheric pollution is Which of the following is a primary pollutant? Lead in water can cause: