Chemistry Glycol is added to aviation gasoline because it Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.01 0.78 1 0.21 0.01 0.78 1 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Copper Tungsten Zinc Nichrome Copper Tungsten Zinc Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Hydrogen Alkaline metals Transition metals Carbon Hydrogen Alkaline metals Transition metals Carbon 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 Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
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