Limestone is a raw material used by which industry?
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Which of the following types of water is known to be absolutely free from any impurity?
Which gas contributes most to the Greenhouse effect?
Constantan is alloyed from ...... metals.
Give an example of a salt which gives an aqueous solution of pH less than 7.
______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.
What happens in an oxidation reaction?
Which among the following metal is used for galvanization?
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