Question
Mention three areas in which $H_2SO_4$ plays an important role.
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Answer
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It is used in the manufacture of fertilizers such as $(NH_4)^2$ $SO_4 $, calcium superphosphate.
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It is used as an electrolyte in storage batteries.
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It is used in petroleum refining, detergent industry and in the manufacture of paints, pigments and dyes.
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