Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium hypochlorate Sodium hypochlorite Sodium chloride Hydrochloric acid Sodium hypochlorate Sodium hypochlorite Sodium chloride Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Carbon dioxide Sulphur dioxide Ammonia Hydrogen Carbon dioxide Sulphur dioxide Ammonia Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Thorium Uranium Zirconium Plutonium Thorium Uranium Zirconium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal only Coal, Natural Gas and Petroleum Coal and Natural Gas only None of these Coal only Coal, Natural Gas and Petroleum Coal and Natural Gas only None of these ANSWER DOWNLOAD EXAMIANS APP
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