Chemistry Which is the heaviest metal among the following? Gold Silver Copper Iron Gold Silver Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Vulcanization Acceleration Galvanization Sulphonation Vulcanization Acceleration Galvanization Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Lactic acid Sulphuric acid Hydrochloric acid Nitric acid Lactic acid Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Sulphur Graphite Bauxite Phosphorus Sulphur Graphite Bauxite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Are lighter Experience collision less frequently Have negative charge Need less energy to move them Are lighter Experience collision less frequently Have negative charge Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Carbon Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP