Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/8 1/4 1/6 1/3 1/8 1/4 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Electroplating industry Paint manufacturing industry Organic solvents industry Coal mines Electroplating industry Paint manufacturing industry Organic solvents industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS