Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Chlorofluorocarbon Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbon Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Assimilation of nitrate Conversion of molecular nitrogen to ammonia Utilisation of nitrogen gas Conversion of organic nitrogen to proteins Assimilation of nitrate Conversion of molecular nitrogen to ammonia Utilisation of nitrogen gas Conversion of organic nitrogen to proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon monoxide Nitrogen Nitrogen dioxide Carbon dioxide Carbon monoxide Nitrogen Nitrogen dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 300 km 150 km 100 km 200 km 300 km 150 km 100 km ANSWER DOWNLOAD EXAMIANS APP