Chemical Process Use of chlorine in the treatment of sewage Helps in grease separation Increases the biological oxygen demand(BOD) Causes bulking of activated sludge Aids in flocculation Helps in grease separation Increases the biological oxygen demand(BOD) Causes bulking of activated sludge Aids in flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process SO₂ is bubbled through hot sugar cane juice to Increase the amount of molasses Increase its concentration Act as an acidifying agent Increase the crystal size Increase the amount of molasses Increase its concentration Act as an acidifying agent Increase the crystal size ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Chlorinated paraffin Chlorobenzene Ethylene dichloride Carbon tetrachloride Chlorinated paraffin Chlorobenzene Ethylene dichloride Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate All of these Is soluble in ammonium chloride and potassium chloride solution Has high water solubility and is unstable Is prone to thermal decomposition All of these Is soluble in ammonium chloride and potassium chloride solution Has high water solubility and is unstable Is prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Reduce the variation in its viscosity with temperature Reduce its viscosity Increase the variation in its viscosity with temperature Increase its viscosity Reduce the variation in its viscosity with temperature Reduce its viscosity Increase the variation in its viscosity with temperature Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of Polyamides Silicone Polyurethanes PVC Polyamides Silicone Polyurethanes PVC ANSWER DOWNLOAD EXAMIANS APP
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