Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Ethanol Acetic acid Phenol Oxalic acid Ethanol Acetic acid Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 12600 kJ/kg 47000 kJ/kg 14600 kJ/kg 39400 kJ/kg 12600 kJ/kg 47000 kJ/kg 14600 kJ/kg 39400 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyethylene Polyamide Polypropylene Polyester Polyethylene Polyamide Polypropylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Reduced by light Soluble in hyposolution Oxidised in air Totally colourless Reduced by light Soluble in hyposolution Oxidised in air Totally colourless ANSWER DOWNLOAD EXAMIANS APP