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