Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO NO CO2 Hydrocarbons CO NO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Freon Sulphur dioxide Chlorine Phosphine Freon Sulphur dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is low Its ignition temperature is very low Its critical temperature is high Its ignition temperature is very high Its critical temperature is low Its ignition temperature is very low Its critical temperature is high Its ignition temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Temperature decreases Heat is absorbed No heat change takes place Heat is liberated Temperature decreases Heat is absorbed No heat change takes place Heat is liberated ANSWER DOWNLOAD EXAMIANS APP
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