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12.09.2019 •
Chemistry
Copper sulphate is used during
laboratory preparation of hydrogen
gas. give reason.
Solved
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Ответ:
Hydrogen gas is prepared in laboratory by the action of dilute HCl upon granulated zinc. Note: This is a redox reaction since Zn is oxidized and H+ ions is reduced here. Procedure: ... Some crystals of copper sulphate are added to increase the rate of reaction.
Explanation:
Ответ:
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The correct option would be C. solid.
Think about it, the table in your dining room doesn't change shape does it?
It's because it has a definite shape.
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