Biocatalytical proteins are_________________?
A. Enzymes
B. Substrate
C. Lipids
D. any of above
Chemistry Mcqs
When catalysts and reactants are in more than one phase it is________________?
When catalysts and reactants are in more than one phase it is________________?
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea
Anything which increases rate of reaction without being involved in the reaction________________?
Anything which increases rate of reaction without being involved in the reaction________________?
A. Promoter
B. Catalyst
C. Inhibitor
D. All of the above
Which of the following will have very high rate of reaction ?
Which of the following will have very high rate of reaction ?
A. Double decomposition reaction
B. Neutralization reaction
C. Ionic reactions
D. all of above
Energy of reactant higher than energy of product favours A. Endothermic_______________?
Energy of reactant higher than energy of product favours A. Endothermic_______________?
B. Exothermic
C. Moderate reaction
D. No reaction
Radiations are absorbed in_______________?
Radiations are absorbed in_______________?
A. Spectrophotometer method
B. Dilatometric method
C. Optical relation method
D. Refractometric method
For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?
For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?
A. Single
B. Square
C. Cube
D. Raise to power four
Rate of disappearance of reactant is equal to_________________?
Rate of disappearance of reactant is equal to_________________?
A. Rate of reaction
B. Rate of formation of product
C. Energy released during reaction
D. A and B
Unit of rate of reaction is_________________?
Unit of rate of reaction is_________________?
A. Moles dm-3 sec-1
B. Moles dm-3
C. Moles sec-1
D. Mol-1 dm3 sec-1
Spontaneous reactions are_______________?
Spontaneous reactions are_______________?
A. Moderate
B. Slow
C. Fast
D. not natural