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