Chemistry Supersonic jet causes pollution by thinning of CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer 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 sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Starch Polythene Bakelite Nylon Starch Polythene Bakelite Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of moles of solute present in 1 kg of a solvent is called its formality molarity normality molality formality molarity normality molality ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Fluorine Iodine Bromine Chlorine Fluorine Iodine Bromine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 8 Zero –4 4 8 Zero –4 ANSWER DOWNLOAD EXAMIANS APP
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