Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Chalcopyrites Bauxite Haematite Calamine Chalcopyrites Bauxite Haematite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise the colloid and prevent crystallisation Prevent making a colloid Stabilise mixture Enrich the aroma Stabilise the colloid and prevent crystallisation Prevent making a colloid Stabilise mixture Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ? Incineration All listed here Pyrolysis and Gasification Landfills Incineration All listed here Pyrolysis and Gasification Landfills ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease Remain the same May increase or decrease Increase Decrease Remain the same May increase or decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following commonly used materials, the one that is not an alloy is Steel Bronze Copper Brass Steel Bronze Copper Brass ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS