Q. Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

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Q. With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

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Q. In case of calcination of limestone, CaCO₃CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

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Q. The rate of a homogeneous reaction is a function of

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Q. In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________

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Q. Pick out the correct statement.

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Q. Pick out the wrong statement.

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Q. Pick out the wrong statement

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Q. The energy of activation of a chemical reaction

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Q. Chemical kinetics can predict the __________ of a chemical reaction.

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Q. Oil is hydrogenated using nickel catalyst in a __________ reactor.

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Q. The performance equations for constant density systems are identical for

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Q. Reaction rate of a first order reaction, which is half completed in 23 minutes will be

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Q. Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?

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Q. The reactions with low activation energy are

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Q. Molecularity of an elementary reaction, P + Q → R + S is

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Q. Which of the following is not endothermic in nature ?

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Q. The space time is equivalent to the holding time in a steady state mixed reactor for

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Q. A trickle bed reactor is the one, which

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Q. What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction ?

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