Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Methane Carbon Monoxide Carbon dioxide Ozone gas Methane Carbon Monoxide Carbon dioxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution Coated with nickel sulphate and dried ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Carbonation Exfoliation Corrosion Oxidation Carbonation Exfoliation Corrosion Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen Nitrogen dioxide Ammonia Nitric acid Nitrogen Nitrogen dioxide Ammonia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Radium Thorium Zinc Plutonium Radium Thorium Zinc Plutonium ANSWER DOWNLOAD EXAMIANS APP
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