Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Alloy formation Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Zinc Tin Mercury Cadmium Zinc Tin Mercury Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Coal Carbohydrates Crude oil Biomass Coal Carbohydrates Crude oil Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Population Rainfall Pressure Height above sea-level Population Rainfall Pressure Height above sea-level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? 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 Liquid Hydrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
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