Chemistry Which gas does not form the part of atmosphere ? Nitrogen Chlorine None of these Helium Nitrogen Chlorine None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Carbondioxide Ozone Nitrogen Oxygen Carbondioxide Ozone Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Thorium Plutonium Radium Zinc Thorium Plutonium Radium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 6 7 3 4 6 7 3 4 ANSWER DOWNLOAD EXAMIANS APP