Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ 1/CA Independent of temperature None of these ∝ CA ∝ 1/CA Independent of temperature None of these ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Increasing the concentration of one of the reactants None of these Increasing the concentration of one or more of the products Removal of at least one of the products at regular interval Increasing the concentration of one of the reactants None of these Increasing the concentration of one or more of the products Removal of at least one of the products at regular interval ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? Moving bed reactor Fluidised bed reactor None of these Fixed bed reactor Moving bed reactor Fluidised bed reactor None of these Fixed bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Increases Changes unpredictably Remains unaltered Decreases Increases Changes unpredictably Remains unaltered Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) A highly exothermic reaction is to be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to Gain an electron Lose a proton None of these Gain a proton Gain an electron Lose a proton None of these Gain a proton ANSWER DOWNLOAD EXAMIANS APP