An enzyme has its specificity due to________________?
A. Substrate
B. Structure
C. Temperature
D. Pressure
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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Bio catalytical proteins are_________________?
A. Enzymes
B. Substrate
C. Lipids
D. any of above
Submitted by :- Jamil Ahmed
When catalysts and reactants are in more than one phase it is________________?
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea
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Anything which increases rate of reaction without being involved in the reaction________________?
A. Promoter
B. Catalyst
C. Inhibitor
D. All of the above
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The substances that reduces the effectiveness of a catalyst are called ___________________?
A. Promoters
B. Poisoning catalysts
C. Inhibitors
D. pro-catalysts
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Greater the conc. Of reactant__________________?
A. Greater will be dx/dt
B. Lesser will be dx/dt
C. dx/dt will be moderate
D. any of above
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Energy required to form transition state is called _________________?
A. Ea
B. P.E
C. V
D. K.E
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Activated complex is formed due to________________?
A. Pressure
B. Effective collision
C. Ineffective collisions
D. Temperature
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Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
A. First order
B. Second order
C. Third order
D. Zero order
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Rate of reaction when concentration of reactants are taken as unity is called_________________?
A. Arrhenius constant
B. Molecularity
C. Specific rate constant
D. Ideal rate constant
Submitted by :- Jamil Ahmed