Chemical Process Zeolite used in water softening process (cation exchange) is regenerated by washing with Sodium bisulphite Chloramines Liquid chlorines Brine Sodium bisulphite Chloramines Liquid chlorines Brine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is SO₂ gas Mercaptans MgO Chlorine dioxide (ClO₂) SO₂ gas Mercaptans MgO Chlorine dioxide (ClO₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a pyrite ore? Galena Siderite Gypsum Celestite Galena Siderite Gypsum Celestite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Parathion Trichloroethylene Methanol Perchloroethylene Parathion Trichloroethylene Methanol Perchloroethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium bisulphite is used for __________ water. Dechlorination Neither A nor B Deaeration Both A & B Dechlorination Neither A nor B Deaeration Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Iron Vanadium Alumina Nickel Iron Vanadium Alumina Nickel ANSWER DOWNLOAD EXAMIANS APP
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