Explain with diagram the method for preparation of hydrogen gas in laboratory.Answer the given question in detail.
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In the following schematic diagram for the preparation of hydrogen gas as shown in figure, what would happen if following changes are made ?
[A] In place of zinc granules, same amount of zinc dust is taken in the test-tube.
[B] Instead of dilute sulphuric acid, dilute hydrochloric acid is taken.
[C] Sodium hydroxide is taken in place of dilute sulphuric acid and the test-tube is heated.
[A] In place of zinc granules, same amount of zinc dust is taken in the test-tube.
[B] Instead of dilute sulphuric acid, dilute hydrochloric acid is taken.
[C] Sodium hydroxide is taken in place of dilute sulphuric acid and the test-tube is heated.
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