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JEE CHEMISTRY MCQ: ENVIRONMENTAL CHEMISTRY
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Identify the correct decreasing order of the following with respect to altitude from atmosphere.
I. Troposhere
II. Mesopshere
III. Thermosphere
I. Troposhere
II. Mesopshere
III. Thermosphere
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Correct option: B
III, II, I
Option B (III, II, I) is correct because the correct order of atmospheric layers from highest to lowest altitude is Thermosphere, Mesosphere, and Troposphere.
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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: