Chemical Process Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and Hydroflouric acid Phosphoric acid Hydrochloric acid Sulphuric acid Hydroflouric acid Phosphoric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Hissing sound All of these Slaked lime Exothermic heat Hissing sound All of these Slaked lime Exothermic heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sea water contains about __________ ppm of bromine. 5 1700 500 70 5 1700 500 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance. Flint Potash Soda Pyrex Flint Potash Soda Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference Terminal velocities Wetting characteristics None of these Density difference Terminal velocities Wetting characteristics None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Smelting Electro magnetic separation Roasting Froth floatation Smelting Electro magnetic separation Roasting Froth floatation ANSWER DOWNLOAD EXAMIANS APP
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