Chemistry In upper layer of atmosphere ozone is formed by 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 The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature H2 N2 O2 F2 H2 N2 O2 F2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Emulsion Precipitate Sol Gel Emulsion Precipitate Sol Gel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Marble Limestone Chalk Slaked lime Marble Limestone Chalk Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Carbonic Acid Water Ammonia Methane Carbonic Acid Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Nitrogen Hydrogen Helium Methane Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
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