Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is 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 Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Magnetization Sedimentation Sublimation Evaporation Magnetization Sedimentation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Helium Argon Krypton Neon Helium Argon Krypton Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A detergent is a Drug Cleansing agent Soap Catalyst Drug Cleansing agent Soap Catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Carbon Oxygen only Oxygen and Nitrogen Hydrogen and Carbon Oxygen and Carbon Oxygen only Oxygen and Nitrogen Hydrogen and Carbon ANSWER DOWNLOAD EXAMIANS APP