For the measurement of standard electrode potential Zn is dipped in_______?
A. 1 M ZnO solution
B. 1 M ZnSO4 solution
C. 1.5 M ZnSO4 solution
D. .1 M ZnSO4 solution
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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In Galvanic cell electrons flow from anode to cathode through_________?
A. external electric circuit
B. salt bridge
C. movement of ions
D. all of the above
Submitted by :- Jamil Ahmed
In electrolytic cell electricity carries_____?
A. spontaneous reaction
B. non-spontaneous reaction
C. neutralization
D. all of above
Submitted by :- Jamil Ahmed
Electricity in voltaic cell is produced due to_________?
A. neutralization
B. oxidation
C. reduction
D. both B & C
Submitted by :- Jamil Ahmed
Molten NaCl conducts electricity due to the presence of_______________?
A. Free electrons
B. Free molecules
C. Free ions
D. Atoms of Na and Cl
Submitted by :- Jamil Ahmed
In a galvanic cell________________?
A. Chemical energy is converted into electricity
B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy
D. Electrical energy is converted into heat
Submitted by :- Jamil Ahmed
In an electrolytic cell current flows ?
A. From cathode to anode in outer circuit
B. From anode to cathode outside the cell
C. From cathode to anode inside the cell
D. both B & C
Submitted by :- Jamil Ahmed
Which has maximum oxidation number ?
A. N
B. Cr
C. S
D. Mn
Submitted by :- Jamil Ahmed
Percentage of sulfuric acid in lead accumulator is__________________?
A. 4%
B. 25%
C. 3%
D. 5%
Submitted by :- Jamil Ahmed
Voltaic cell is a_________________?
A. irreversible cell
B. reversible cell
C. alkaline cell
D. all of the above
Submitted by :- Jamil Ahmed