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- 1. Multiple Choice
1. Which is working principal of conductometry ?
a. measurement of potention.
b.measurement of conductivity of solution.
c.measurement of emf.
d. none of the above
- 2. Multiple Choice
If the ionic size is small in solutions
a.conductance decrease
b.conductance increase
c.a and b
d.none of the above
- 3. Multiple Choice
Cell constant of an electrolytic cell is
(A) Length * Area
(B) Length/Area
(C) Area/length
(D) None of the above
- 4. Multiple Choice
The reciprocal of resistivity of a conductor is
potential
capacitance
conductivity
none of these
- 5. Multiple Choice
As temperature increases electrolytic conduction
increases
decreases
remains unaffected
none of the above
- 6. Multiple Choice
The unit of specific conductance
ohm
Siemen
ohm-1/cm-1
ohm/cm
- 7. Multiple Choice
2. The hydrogen ion has highest condutance due to
high mobility
small size
both a and b
none of these
- 8. Multiple Choice
The decrease in the conduactance of the solution when NaOH is added to HCl is due to
decrease in the comncentration
decrease in the mobilty
decrease is in the temperature
none of the above
- 9. Multiple Choice
The last line in the plot of Conductance v/s Volume of NaoH in all the titration is due to
decrease in the OH- ions
increase in the OH- ions
decrease in H+ ions
increase in Na+ ions
- 10. Multiple Choice
In a mixture of acids always strong acid reacts first with the base. It is due to
weak acid will remain unionised
strong acid will remain unionised
both a and b
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