Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide Helium 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 Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Chlorine Helium Nitrogen None of these Chlorine Helium Nitrogen None of these ANSWER DOWNLOAD EXAMIANS APP