why is conc. sulphuric acid is not used in the preparation of hydrogen
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Concentrated sulphuric acid is not used in preparation of hydrogen because concentrated sulphuric is a good drying agent but when used to dry hydrogen it because it has a strong affinity for water and thus it absorbs water quickly. So it will never form hydrogen gas .
We use dilute sulphuric acid.
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Hope it helps.
Thanq
We use dilute sulphuric acid.
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Hope it helps.
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