Chemistry Pollutant from motor car exhaust that causes mental disease is Hg Lead NO2 SO2 Hg Lead NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Krypton Helium Argon Neon Krypton Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Phenol Acetic acid Ethanol Oxalic acid Phenol Acetic acid Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO CO2 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Carbohydrate Protein Fat Cellulose Carbohydrate Protein Fat Cellulose ANSWER DOWNLOAD EXAMIANS APP
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