Chemistry The element with highest first ionisation energy is Helium Lithium Hydrogen Sodium Helium Lithium Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and zinc Lead and antimony Lead and copper Lead and bismuth Lead and zinc Lead and antimony Lead and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 2 3 5 4 2 3 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Solid waste disposal Transportation Fuel combustion Industrial process Solid waste disposal Transportation Fuel combustion Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Hydrogen Helium Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether ANSWER DOWNLOAD EXAMIANS APP