Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide Carbon monoxide Carbon dioxide Sulphur dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Ethane Butane Methane Propane Ethane Butane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Carbon dioxide over slaked lime Chlorine over slaked lime Chlorine over quick lirne Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over slaked lime Chlorine over quick lirne Oxygen over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a natural Emulsion Solution Mixture Suspension Emulsion Solution Mixture Suspension ANSWER DOWNLOAD EXAMIANS APP
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