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Subjects
Science State Board
Class 8
Chemistry in everyday life
Properties, types and applications of hydrocarbons, coal and petroleum
10.
Other gases: choose the correct answer
Exercise condition:
3
m.
1
.
The mixture of \(CO_2\) gas and \(N_2\) gas is called ___________.
bio-gas
water-gas
coal gas
producer gas
2
.
The gas also used as a reducing agent in some metallurgical processes is__________.
coal gas
water-gas
bio-gas
producer gas
3
.
Water-gas is a mixture of __________.
carbon monoxide and hydrogen
carbon monoxide and water vapour
water vapour and hydrogen
None of these
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