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