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PATHFINDER-ENVIRONMENTAL CHEMISTRY-QUESTION BANK
- What is B.O.D. ? Write down the B.O.D. value of clean water?
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- What is Greenhouse effect? What is Global warming?
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- What is stone cancer? What is the main factor of water pollution?
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- Name the diseases caused by Hg and Cd contamination of water. What is ...
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- What is Eutrophication? Write its harmful effect.
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- What is C.O.D. ? What is siltation?
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- What is TLV?
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- What is 'Pneumoconiosis?
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- Write down the main characteristics of drinking water.
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- Mention two harmful effects of photochemical smog?
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- How does the ozone layer depletion and a preventive measure that can b...
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- What is feron? Mention one of its effect.
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- Give examples of a sink of CO and two sinks of CO2
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- Dissolved oxygen values of four water samples A, B, C and D are respec...
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- Biochemical oxygen demand value of four water samples P, Q, R and S ar...
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- Threshold limit value of three pollutant X,Y and Z are respectively 9 ...
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- DO value of a water sample is 6 ppm. Calculate the weight of dissolved...
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- 100 ml of a sample of water required 1.96 mg of potassium dichromate i...
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- COD value of a water sample is 40 ppm, Calculate the amount of acidifi...
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- Ozone is harmful in the environment segment X but is useful in the env...
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