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IMPORTANT
Earn 100

A water sample has ppm level concentration of following anions, . The anion/anions that make/makes the water sample unsuitable for drinking is/are
(a)only
(b)only
(c)only
(d)both and

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Important Questions on Environmental Chemistry
EASY
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IMPORTANT
How many of the following pollutants are considered as non-viable particulate pollutants?
Smoke, dust, fungi, mists, moulds, algae, smog, bacteria, fumes

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HARD
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How many of the following is/are the correct match.
(i) Photochemical smog:
(common component )
(ii) Ozone layer: Protects from the Sun's radiation of wavelength
(iii) Methemoglobinemia : Caused by the presence of greater than of nitrate in drinking water
(iv) Ozone layer depletion:
(one of the reaction involved)
(v) DDT: Biodegradable pollutant
(vi) Green house gas: Methane

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IMPORTANT
How many of the following compounds can be categorized as primary air pollutants?

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The number of greenhouse gases in the following is ____.
,
Report your answer to the nearest integer.

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MEDIUM
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