Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo Electric heaters Atomic bombs A battery Dynamo Electric heaters Atomic bombs A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not contain Silver ? Ruby Silver German Silver Lunar Caustic Horn Silver Ruby Silver German Silver Lunar Caustic Horn Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Mercury Tin Zinc Lead Mercury Tin Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Silver Brass Bronze Copper Silver Brass Bronze ANSWER DOWNLOAD EXAMIANS APP