Which gas affects lungs and cause respiratory problems?
Nitrogen dioxide
Hydrogen
Carbon monoxide
Sulphur dioxide
Sulphur dioxide gas affects lungs and cause respiratory problems.
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
(a) Name a process by which hydrogen gas is manufactured.
(b) Give equations for the reactions.
(c) How is hydrogen separated from carbon dioxide and carbon monoxide ?