Everyday Science Mcqs » Everyday Science MCQs
Capacity of one lead accumulator cell is___________________?

A. 1.5 volts
B. 2 volts
C. 3 volts
D. 1 volts

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

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. 0.1 m znso4 solution

Zn(s)/Zn+2(aq) 1M | | Cu+2(aq) 1M/Cu(s) is representation of reaction in______________?

A. Daniel cell
B. Downs cell
C. Voltaic cell
D. Nelsons cell

Voltaic cell can be recharged by______________?

A. By addition of fresh solution
B. By replacing external circuit with external source of electricity
C. By removal of solution
D. By heating it

H2 gas in SHE is filled at pressure of___________________?

A. 760mm of hg
B. 750mm of hg
C. 780mm of hg
D. 800mm of hg

List of elements based on hydrogen scale is called________________?

A. Periodic table
B. Groups
C. Periods
D. Electrochemical series