Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Ozone gas Methane Carbon Monoxide Carbon dioxide Ozone gas Methane Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Jojoba wax Bees wax Carnauba wax Paraffin wax Jojoba wax Bees wax Carnauba wax Paraffin wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Batteries Diesel Steam Petrol and oxygen Batteries Diesel Steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature O2 H2 F2 N2 O2 H2 F2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Fertilizer Disinfectant Insecticide Pesticide Fertilizer Disinfectant Insecticide Pesticide ANSWER DOWNLOAD EXAMIANS APP