Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Intestine

Blood

Gland

Saliva

Intestine

Blood

Gland

Saliva

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Chemical Reaction Engineering
If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship.

T ∝ 1/an + 1

T ∝ 1/an

T ∝ an

T ∝ 1/an - 1

T ∝ 1/an + 1

T ∝ 1/an

T ∝ an

T ∝ 1/an - 1

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Chemical Reaction Engineering
Threshold energy in a reaction is equal to the

Activation energy

Neither A nor B

Normal energy of reactants

Sum of A & B

Activation energy

Neither A nor B

Normal energy of reactants

Sum of A & B

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Chemical Reaction Engineering
Which of the following is not endothermic in nature?

Thermal cracking of fuel oil

Combustion of sulphur

Gasification of carbon

Steam reforming of naphtha

Thermal cracking of fuel oil

Combustion of sulphur

Gasification of carbon

Steam reforming of naphtha

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Chemical Reaction Engineering
In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction.

Non-catalytic heterogeneous

Catalytic homogenous

Catalytic heterogeneous

Non-catalytic homogeneous

Non-catalytic heterogeneous

Catalytic homogenous

Catalytic heterogeneous

Non-catalytic homogeneous

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Chemical Reaction Engineering
Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Use batch reactor or plug flow reactor, when a > b

Use high pressure and eliminate inerts, when a > b

Use CSTR with a high conversion, when a > b

Avoid recycle, when a > b

Use batch reactor or plug flow reactor, when a > b

Use high pressure and eliminate inerts, when a > b

Use CSTR with a high conversion, when a > b

Avoid recycle, when a > b

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Chemical Reaction Engineering

Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship.

Chemical Reaction Engineering Threshold energy in a reaction is equal to the

Chemical Reaction Engineering Which of the following is not endothermic in nature?

Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction.

Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship.

Chemical Reaction Engineering
Threshold energy in a reaction is equal to the

Chemical Reaction Engineering
Which of the following is not endothermic in nature?

Chemical Reaction Engineering
In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction.

Chemical Reaction Engineering
Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b