The depletion in Ozone layer is caused by ___________ . (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane Answer : Chlorofluorocarbons...
Domestic cooking gas consists mostly of (1) methane and ethane (2) liquified butane and isobutane (3) hydrogen and acetylene (4) ethylene and carbon monoxide Answer : liquified butane and isobutane...
The polymerisation of which of the following is used in manufacturing of polythene in industry ? (1) Methane (2) Styrene (3) Acetylene (4) Ethylene Answer : Ethylene...
Gobar gas contains mainly : (1) methane (2) ethylene (3) propylene (4) acetylene Answer : methane...
The gas used for artificial fruit ripening of green fruit is — (1) Ethylene (2) Acetylene (3) Ethane (4) Methane Answer : Ethylene...
50.5k questions
47.1k answers
240 comments
7.0k users
