Incomplete combustion of fuels releases toxic gas called _______ .
Ozone
Carbon monoxide
Carbon dioxide
Nitrogen dioxide
Carbon monoxide gas is formed when a fuel burns in a limited supply of air (oxygen).
________ gas released as a result of incomplete burning of fuels is a toxic gas.
Which of the following are correct with respect to carbon dioxide? (i) It is released due to incomplete combustion of fuels. (ii) It does not affect humans. (iii) It is a poisonous gas. (iv) It reduces oxygen-carrying capacity of the blood. (v) It is released from vehicles.
Which of the following are correct with respect to carbon monoxide? (i) It is released due to incomplete combustion of fuels. (ii) It does not affect humans. (iii) It is a toxic gas. (iv) It reduces oxygen-carrying capacity of the blood. (v) It is released from vehicles.