Chemistry Which one of the following metals is used to galvanise iron ? Lead Mercury Copper Zinc Lead Mercury Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitrogen dioxide Nitric acid Nitrogen Ammonia Nitrogen dioxide Nitric acid Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Corrosion Passivation Erosion Abrasion Corrosion Passivation Erosion Abrasion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyester Polypropylene Polyamide Polyethylene Polyester Polypropylene Polyamide Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Nickel Tungsten Chromium Iron Nickel Tungsten Chromium Iron ANSWER DOWNLOAD EXAMIANS APP
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