Chemical Process A mineral is termed as 'ore', if It contains ≥ 40% metal A metal can be economically extracted from it The metal present in it is costly All of these It contains ≥ 40% metal A metal can be economically extracted from it The metal present in it is costly All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electrodeposition of metals i.e. electroplating is never done on Non-metals Refractories Metals Alloys Non-metals Refractories Metals Alloys ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature 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. 800 8500 4000 1600 800 8500 4000 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on Soda lime Slaked lime Calcium perchlorate None of these Soda lime Slaked lime Calcium perchlorate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as Nylon-66 Neoprene Teflon Bakelite Nylon-66 Neoprene Teflon Bakelite ANSWER DOWNLOAD EXAMIANS APP
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