Potassium nitrate is used in
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Carbon, diamond and graphite are together called
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Monazite is an ore of
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Non stick cooking utensils are coated with
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The element common to all acids is
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Heavy water is
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The group of metals Fe, Co, Ni may best called as
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Among the various allotropes of carbon,
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Galvanised iron sheets have a coating of
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When an iron nail gets rusted, iron oxide is formed
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The average salinity of sea water is
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In which of the following activities silicon carbide is used?
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The gases used in different types of welding would include
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