Chemical Process Low temperature carbonisation of coal takes place at __________ °C. 700 900 1100 300 700 900 1100 300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alum is commercially produced from Gypsum Feldspar Bauxite Galena Gypsum Feldspar Bauxite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. Neutral sulphite semi-chemical Sulphate/kraft Sulphite Mechanical Neutral sulphite semi-chemical Sulphate/kraft Sulphite Mechanical ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Calcination Reduction Smelting Roasting Calcination Reduction Smelting Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Dolomite Coke breeze Lime powder Silica/quartz Dolomite Coke breeze Lime powder Silica/quartz ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Galena Chalcopyrite Hematite Bauxite Galena Chalcopyrite Hematite Bauxite ANSWER DOWNLOAD EXAMIANS APP