Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Vanadium Iron Nickel Alumina Vanadium Iron Nickel Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃ is called Plaster of paris Calcite Soda ash Washing soda Plaster of paris Calcite Soda ash Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituent of limestone is CaCO₃ Na₂CO₃ CaSO₄ MgCO₃ CaCO₃ Na₂CO₃ CaSO₄ MgCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the production of styrene butadiene rubber (SBR) is Ethylene Ethyl alcohol Neither A nor B Both A & B Ethylene Ethyl alcohol Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of edible vegetable oils Increases their melting point Is an exothermic reaction Is done in presence of nickel catalyst All of these Increases their melting point Is an exothermic reaction Is done in presence of nickel catalyst All of these ANSWER DOWNLOAD EXAMIANS APP
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