n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume V.n V/n 1/V V TRUE ANSWER : ? YOUR ANSWER : ?
Specific rate constant for a second order reaction Depends on the nature of the reactants Both B and C Varies with temperature Is independent of temperature TRUE ANSWER : ? YOUR ANSWER : ?
If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is Unpredictable as ΔG is no measure of feasibility of a reaction Very much feasible Not feasible Just feasible TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used for calcination of limestone and dolomite in industrial practice? Fixed bed reactor Moving bed reactor None of these Fluidised bed reactor TRUE ANSWER : ? YOUR ANSWER : ?
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Chemical reaction Pore diffusion Ash layer diffusion Film diffusion TRUE ANSWER : ? YOUR ANSWER : ?
The rate constant of a reaction is a function of the Time of reaction Initial concentration of the reactants Extent of reaction Temperature of the system TRUE ANSWER : ? YOUR ANSWER : ?
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction Decreases with pressure Increases with pressure Is independent of pressure TRUE ANSWER : ? YOUR ANSWER : ?
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called Haemoglobin A ferment or an enzyme None of these Fungi TRUE ANSWER : ? YOUR ANSWER : ?
A multiple reaction may be classified as a __________ reaction. All of these Parallel or side Consecutive or side Mixed TRUE ANSWER : ? YOUR ANSWER : ?
In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air. (i) decreases (ii) increases (i) increases (ii) increases (i) increases (ii) decreases (i) decreases (ii) decreases TRUE ANSWER : ? YOUR ANSWER : ?