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VMC MODULES ENGLISH-ENVIRONMENTAL CHEMISTRY-JEE Main (Archive)
- Acid rain is known to contain some acids. Name these acids and where f...
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- When rain is accompanied by a thunderstorm, the collected rain water w...
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- Smog is essentially caused by the presence of
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- Identify the wrong statement among the following :
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- Which one of the following statement is not true ?
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- Which one of the following statements regarding photochemical smog is ...
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- The gas leaked from a storage tank of the Union Carbide plant in Bhopa...
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- Photochemical smog consists of excessive amount of X, in addition to a...
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- Addition of phosphate fertilizers to water bodies cause
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- The concentration of fluoride, lead, nitrate and iron in a water sampl...
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- BOD is
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- Which one of the following substances used in dry cleaning is a better...
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- A water sample has ppm level concentration of following anions F^(-)...
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- Identify the pollutant gases largely responsible for the discoloured a...
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- Which of the following is a set of green house gases ?
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- The recommended concentration of fluoride ion in drinking water is up ...
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- Which of the following conditions in drinking water causes methemoglob...
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- Water samples with BOD values of 4 ppm and 18 ppm, respectively a...
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- The concentration of dissolved oxygen (DO) in cold water can go upto:
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- The pH of rain water, is approximately : a) 5.6 b) 7.5 c) 7.0 d) 6.5
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- The reaction that is NOT involved in the ozone layer depletion mechani...
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