Chemistry The name of unreactive gas is Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Propane Helium Methane Nitrogen Propane Helium Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Chromium Tin Copper Zinc Chromium Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property Oxidising property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Arsenic Antimony Phosphorus Aluminium Arsenic Antimony Phosphorus Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 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 ANSWER DOWNLOAD EXAMIANS APP
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