Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Bromine Magnesium Lead Barium Bromine Magnesium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Reduction Decomposition Dehydration Oxidation Reduction Decomposition Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Carbon dioxide over slaked lime Oxygen over slaked lime Chlorine over slaked lime Chlorine over quick lirne Carbon dioxide over slaked lime Oxygen over slaked lime Chlorine over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Hair falling Kidney damage Arthritis Eye disease Hair falling Kidney damage Arthritis Eye disease ANSWER DOWNLOAD EXAMIANS APP
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