Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Coke breeze Lime powder Silica/quartz Dolomite Coke breeze Lime powder Silica/quartz Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Ethanol amine Tri-butyl phosphate Dilute H₂SO₄ Chilled water Ethanol amine Tri-butyl phosphate Dilute H₂SO₄ Chilled water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gun powder uses Charcoal Potassium nitrate Sulphur All of these Charcoal Potassium nitrate Sulphur All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Reduction Smelting Roasting Calcination Reduction Smelting Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of viscose rayon, the raw material used industrially is Bamboo Recalyptious wood Bagasse Fine teak wood Bamboo Recalyptious wood Bagasse Fine teak wood ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of BHC, which is an insecticide is C₆H₄Cl₂ C₆H₆Cl₆ C₆H₅Cl C₆Cl₆ C₆H₄Cl₂ C₆H₆Cl₆ C₆H₅Cl C₆Cl₆ ANSWER DOWNLOAD EXAMIANS APP