Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Roasting Calcination Reduction Smelting Roasting Calcination Reduction Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Electromagnetic separation Roasting Froth floatation None of these Electromagnetic separation Roasting Froth floatation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Antibiotic Is used as a pain reliever Is an antimalarial Is an anaesthetic Inhibits/destroys the growth of microorganisms Is used as a pain reliever Is an antimalarial Is an anaesthetic Inhibits/destroys the growth of microorganisms ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rosin soap is added during paper manufacture to Improve opacity Impart adhesive properties None of these Impart resistance to penetration by liquids Improve opacity Impart adhesive properties None of these Impart resistance to penetration by liquids ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flash point of most vegetable oils is about __________ °C. 300 50 100 200 300 50 100 200 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of limestone and __________ produces high alumina cement. Bauxite Quicklime Sand Calcite Bauxite Quicklime Sand Calcite ANSWER DOWNLOAD EXAMIANS APP