Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? One million Half a million Two million Ten million One million Half a million Two million Ten million ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Organic solvents industry Coal mines Paint manufacturing industry Electroplating industry Organic solvents industry Coal mines Paint manufacturing industry Electroplating industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Using energy efficient appliances Recycling waste materials All of these Commuting by public transport Using energy efficient appliances Recycling waste materials All of these Commuting by public transport ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Hydrocarbons Salts Elements Polymers Hydrocarbons Salts Elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Three One Two Four Three One Two Four ANSWER DOWNLOAD EXAMIANS APP