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mnsoomro
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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…
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
Capacity of one lead accumulator cell is___________________?
A. 1.5 volts B. 2 volts C. 3 volts D. 1 volts Submitted by :- Mansoor Khan
Lead accumulators are_______________?
A. secondary cell B. primary cell C. voltaic cell D. both A & C Submitted by :- Jamil Ahmed
Greater value of standard reduction potential smaller will be tendency______________?
A. to form positive ions B. to form negative ions C. gain electrons D. all are possible Submitted by :-…
In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?
A. greater B. lesser C. sum of reduction and oxidation potentials D. none Submitted by :- Jamil Ahmed
List of elements based on hydrogen scale is called________________?
A. periodic table B. groups C. periods D. electrochemical series Submitted by :- Jamil Ahmed