Chemistry The smog is essentially caused by the presence of Oxides of N and S O2 and N2 O3 and N2 O2 and O3 Oxides of N and S O2 and N2 O3 and N2 O2 and O3 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 of the following is not a commercial source of energy? Firewood Natural Gas Coal Petroleum Firewood Natural Gas Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Coal mines Electroplating industry Paint manufacturing industry Organic solvents industry Coal mines Electroplating industry Paint manufacturing industry Organic solvents industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Coal tar Petroleum Wool wax Plant gums Coal tar Petroleum Wool wax Plant gums ANSWER DOWNLOAD EXAMIANS APP