Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium silicate Sodium borate Caustic soda Sodium tripolyphosphate (STPP) Sodium silicate Sodium borate Caustic soda Sodium tripolyphosphate (STPP) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Ni Al₂O₃ V₂O₅ Cr Ni Al₂O₃ V₂O₅ Cr ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of bauxite and __________ produces high alumina cement. Alum Limestone Coke Quartz Alum Limestone Coke Quartz ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is MgO Mercaptans Chlorine dioxide (ClO₂) SO₂ gas MgO Mercaptans Chlorine dioxide (ClO₂) SO₂ gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Magnesium chloride Calcium sulphate Sodium sulphate Sodium chloride Magnesium chloride Calcium sulphate Sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Resistance to fusion of the refractory under a steady rising temperature condition is called Both A & B Spalling Neither A nor B Refractoriness Both A & B Spalling Neither A nor B Refractoriness ANSWER DOWNLOAD EXAMIANS APP
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