When steam is passed over red hot coke, then a mixture of carbon monoxide and hydrogen gas is formed. This is called _____ gas.
Which of the following gas does not contribute to the formation of acid rain ?
(a) nitrogen monoxide
(b) carbon monoxide
(c) sulphur dioxide
(d) nitrogen dioxide
Incomplete burning of fuel produces __ (Carbon dioxide/Carbon monoxide) which is a Poisonous gas.
Which of the following mixtures of gases is called the producer gas?