Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Water Carbon dioxide Carbonates from soil Oxides of mineral elements Water Carbon dioxide Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by 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 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 Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide 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