Chemistry The nucleus of an atom consists of All of these electrons and protons protons and neutrons electrons and neutrons All of these electrons and protons protons and neutrons electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus trichloride Phosphorus pentoxide Red phosphorus White phosphorus Phosphorus trichloride Phosphorus pentoxide Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following commonly used materials, the one that is not an alloy is Copper Steel Bronze Brass Copper Steel Bronze Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 1,3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 1,3-butadiene 2-chloro-1, 3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
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