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 ? Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by 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 Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Sulphur dioxide Nitrogen dioxide Carbon monoxide Methane Sulphur dioxide Nitrogen dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? None of these Chlorine Nitrogen Helium None of these Chlorine Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
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