Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Ni V₂O₅ Al₂O₃ Cr Ni V₂O₅ Al₂O₃ Cr ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Coke breeze Lime powder Dolomite Silica/quartz Coke breeze Lime powder Dolomite Silica/quartz 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 Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Regenerated cellulose nitrate Regenerated cellulose acetate Cellulose acetate Cellulose nitrate Regenerated cellulose nitrate Regenerated cellulose acetate Cellulose acetate Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a catalyst in fat splitting. ZnO V₂O₅ Ni FeO ZnO V₂O₅ Ni FeO ANSWER DOWNLOAD EXAMIANS APP
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