Chemistry Oxygen has (+) oxidation number only in H2O (2) C12O N2O OF2 H2O (2) C12O N2O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Nitrous oxide Oxygen Coloured impurities Nitrogen dioxide Nitrous oxide Oxygen Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 N2 H2 CH4 CO2 N2 H2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Carbon dioxide Ozone Methane Nitrogen Carbon dioxide Ozone Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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