When steam is passed over red hot coke, then a mixture of carbon monoxide and hydrogen gas is formed. This is called _____ gas.
A
Industrial gas
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B
Syngas
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C
Producer gas
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D
Water gas
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Solution
The correct option is D
Water gas
Coke is an amorphous allotrope of carbon (C). When steam (H2O) is passed over red hot coke, then a mixture of carbon monoxide (CO) and hydrogen (H2) gas is formed. This gas is called water gas.
Natural gas is methane (CH4) and is produced when plant and animal matter decomposes anaerobically.
Producer gas is a mixture of carbon monoxide, nitrogen and hydrogen gas. It is obtained when steam mixed with air is passed through red hot coke.
Industrial gases are manufactured for use in various industries. For example, hydrogen, helium, etc.