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
CHEMISTRY
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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
The strength of solution of an element whose electrode potential is to be measured is________________?
A. 2M
B. 1N
C. 1m
D. 1M
Submitted by :- Jamil Ahmed