Chemical Process Catalyst used in the oxidation of benzene to produce maleic anhydride is Cr V₂O₅ Ni Pt Cr V₂O₅ Ni Pt ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Hydrogen peroxide Chlorine Ferrous sulphate Chloramine Hydrogen peroxide Chlorine Ferrous sulphate Chloramine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Calcination of gypsum produces Nitre cake Salt cake Plaster of paris Lime Nitre cake Salt cake Plaster of paris Lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Both A & B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Both A & B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Dehydrogenation of ethyl benzene None of these Oxidation of benzene Oxidation of naphthalene Dehydrogenation of ethyl benzene None of these Oxidation of benzene Oxidation of naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Produce long fibres Prevent deterioration on storage Remove lignin None of these Produce long fibres Prevent deterioration on storage Remove lignin None of these ANSWER DOWNLOAD EXAMIANS APP
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