Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Polyclinic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polyclinic hydrocarbons Oxides of nitrogen Lead Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca K Na Cs Ca K Na Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Aluminium Arsenic Phosphorus Antimony Aluminium Arsenic Phosphorus Antimony ANSWER DOWNLOAD EXAMIANS APP