Chemistry Which of the process is known as nitrification? Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Copper Gold Sodium Silver Copper Gold Sodium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 SO3 NO2 N2O SO2 SO3 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Lead Polyclinic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polyclinic hydrocarbons Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Endothermic reaction Physical change Photochemical reaction Exothermic reaction Endothermic reaction Physical change Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
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