EXAMIANS
A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be
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The two metal ions that cause hardness to water are:
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Removal of carbon particles from air involves the principle of
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The example of oligosaccharide is
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Which of the following has no unit
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The compounds formed when hydrogen combines with p-block elements are called
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The heaviest naturally occurring element is:
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The non-metal found in the liquid state is
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The aprotic solvent is
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Which of the following is a man-made source of air pollution ?
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