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