Chemistry When a spoon is to be electroplated with nickel the spoon is Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate Sodium hydroxide Sodium bicarbonate Sodium carbonate Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polythene Nylon Polystyrene PVC Polythene Nylon Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Neutron, electron Neutron, positron Electron, proton Proton, neutron Neutron, electron Neutron, positron Electron, proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation Electrolysis Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Zinc Copper Aluminium Iron Zinc Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP