Chemistry The chemical formula of the laughing gas is N2O NO N2O3 NO2 N2O NO N2O3 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Protons Neutrons Positrons Electrons Protons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids ANSWER DOWNLOAD EXAMIANS APP
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