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Discovery and Occurence of Hydrogen

Hydrogen can ...

Question

Hydrogen can be produced by:

A

reacting steam with coal or natural gas

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B

passing electricity through water

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C

both A and B

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D

none of above

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Solution

The correct option is B both A and B
Mainly hydrogen is made by reacting steam with coal or natural gas, which are non-renewable resources.Hydrogen can also be made by passing electricity through water.Unfortunately, most electricity is generated using coal and other fossil fuels.

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Q. Consider the following statements:
i) Atomic hydrogen is obtained by passing hydrogen through an electric arc.
ii) Hydrogen gas will not reduce heated aluminium oxide.
iii) Finely divided palladium absorbs large volume of hydrogen gas.
iv) Pure nascent hydrogen is best obtained by reacting

N a

C_{2} H_{5} O H

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Which of the above statement(s) is/are correct?

Q. Consider the following statements:
1. Atomic hydrogen is obtained by passing hydrogen through an electric arc.
2. Hydrogen gas will not reduce heated aluminium oxide.
3. Finely divided palladium adsorbs large volume of hydrogen gas.
4. Pure nascent hydrogen is best obtained by reacting

N a

C_{2} H_{5} O H

Which of the above statements is/ are correct?

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(Assume Temperature of steam more than boiling point of water and pressure standard atmospheric pressure)

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