Chemistry Which of the following is colourless ? Oxygen Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mn Mg W Mo Mn Mg W Mo ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Methane Butane Propane Ethane Methane Butane Propane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials All of these 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
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