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Which of the following conditions in drinking water causes methemoglobinemia?
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Important Questions on Environmental Chemistry
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IMPORTANT
A water sample has ppm level concentration of the following metals:
.
The metal that makes the water sample unsuitable for drinking is
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The layer of atmosphere between to above the sea level is called as:
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Excessive release of into the atmosphere results in
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The correct order of the oxidation states of nitrogen in and is
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Which of the following is a set of greenhouse gases?
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IMPORTANT
BOD stands for:
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Among the gases the gases that cause greenhouse effect are:
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IMPORTANT
The maximum prescribed concentration of copper in drinking water is:
