Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Carbon dioxide Water Oxides of mineral elements Carbonates from soil Carbon dioxide Water Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Sulphur dioxide Carbon monoxide Methane Nitrogen dioxide Sulphur dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Nitrogen None of these Chlorine Helium Nitrogen None of these Chlorine Helium ANSWER DOWNLOAD EXAMIANS APP
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