Chemical Process The amount of benzene present in pure benzol is about __________ percent. 90 50 70 30 90 50 70 30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Drinking (potable) water treatment does not involve Coagulation Disinfection Sedimentation Softening Coagulation Disinfection Sedimentation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. None of these Electromagnetic separation Froth floatation Roasting None of these Electromagnetic separation Froth floatation Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The product obtained on mixing calcium oxide with water is called Slaked lime Quicklime None of these Milk of lime Slaked lime Quicklime None of these Milk of lime 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 Refractory bricks burnt at very high temperature have got Less resistance to corrosion by slags High spalling tendency Greater resistance to corrosion by slags None of these Less resistance to corrosion by slags High spalling tendency Greater resistance to corrosion by slags None of these ANSWER DOWNLOAD EXAMIANS APP