Chemistry Which among the following metals provides amphoteric oxide ? Aluminium Silver Calcium Sodium Aluminium Silver Calcium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polymer None of these Polyester Acrylic Polymer None of these Polyester Acrylic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Gaseous zinc Solid zinc Molten tin Molten zinc Gaseous zinc Solid zinc Molten tin Molten zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
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