Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Glass Paint Cement Gun powder Glass Paint Cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Chromium Copper Cobalt Cadmium Chromium Copper Cobalt Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Chlorine Nitrogen Hydrogen Oxygen Chlorine Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Photochemical smog Industrial smog Sulphurous smog Acid fumes Photochemical smog Industrial smog Sulphurous smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Smelting Zone melting Leaching Slugging Smelting Zone melting Leaching Slugging ANSWER DOWNLOAD EXAMIANS APP