Chemistry Which among the following metals provides amphoteric oxide ? Sodium Aluminium Silver Calcium Sodium Aluminium Silver Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Copper Tin Nickel Zinc Copper Tin Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Infrared Radio-waves Ultraviolet Visible Infrared Radio-waves Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The example of oligosaccharide is Cellulose Glucose Ribose Sucrose Cellulose Glucose Ribose Sucrose ANSWER DOWNLOAD EXAMIANS APP
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