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