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Preparation of Hydrogen

The mixture o...

Question

The mixture of $C O$ and $H_{2}$ is called:

A

Water gas

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B

Producer gas

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C

Coal gas

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D

All of these

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Solution

The correct option is A Water gas
The mixture of CO and $H_{2}$ is called water gas.
Hydrogen is made in large quantities in an inexpensive manner
by passing steam over red-hot coke. This yields water gas, which is
an important industrial fuel with a high calorific value. When it burns,
it yields a lot of energy!

$C (s) + H_{2} O (g) 1250 K - --- \to C O (g) + H_{2} (g)$

This doesn't yield pure hydrogen because of $C O$ , which is pesky
and difficult to remove.

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