Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Bromine Phosphorous Carbon Sulphur Bromine Phosphorous Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Acetic acid Oxalic acid Malic acid Tartaric acid Acetic acid Oxalic acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Aluminium Copper Zinc Iron Aluminium Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Ether Water Kerosene Benzene Ether Water Kerosene Benzene 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 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 The highest volume of gases in lower atmosphere is comprised of Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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