Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Coke breeze Dolomite Silica/quartz Lime powder Coke breeze Dolomite Silica/quartz Lime powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electrodeposition of metals i.e. electroplating is never done on Non-metals Alloys Metals Refractories Non-metals Alloys Metals Refractories ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Trichloroethylene Methanol Perchloroethylene Parathion Trichloroethylene Methanol Perchloroethylene Parathion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The amount of benzene present in pure benzol is about __________ percent. 50 30 90 70 50 30 90 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vulcanisation of rubber Increases its ozone & oxygen reactivity Increases its oil & solvent resistance Decreases its tensile strength Converts its plasticity into elasticity Increases its ozone & oxygen reactivity Increases its oil & solvent resistance Decreases its tensile strength Converts its plasticity into elasticity ANSWER DOWNLOAD EXAMIANS APP
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