Chemical Process Chalcopyrite is the main ore of Copper Iron Tin Lead Copper Iron Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of Polyurethanes Silicone Polyamides PVC Polyurethanes Silicone Polyamides PVC ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 8500 4000 800 1600 8500 4000 800 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process SO₂ is bubbled through hot sugar cane juice to Increase its concentration Increase the crystal size Increase the amount of molasses Act as an acidifying agent Increase its concentration Increase the crystal size Increase the amount of molasses Act as an acidifying agent ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Solvay process is used for the manufacture of Soda ash Caustic potash Caustic soda Soda lime Soda ash Caustic potash Caustic soda Soda lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Terminal velocities None of these Wetting characteristics Density difference Terminal velocities None of these Wetting characteristics Density difference ANSWER DOWNLOAD EXAMIANS APP