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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Proton Exchange Membranes

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Beginner

Intermediate

Advanced

1) Protons and electrons are produced in

a: Cathodic chamber Explanation

Explanation

b: Anodic chamber Explanation

Explanation

c: Proton exchange membrane Explanation

Explanation

d: External circuit Explanation

Explanation

2) Function(s) of proton exchange membrane in MFC.

a: Transfer of e- from the anode compartment to the cathode compartment Explanation

Explanation

b: Transfer of nutrients for the growth of microorganisms for bioelectricity production Explanation

Explanation

c: Transfer of H+ ions from the anode compartment to the cathode compartment Explanation

Explanation

d: Facilitating the metabolism of microorganisms in the anode compartment Explanation

Explanation

3) Example(s) of PEM

a: Nafion Explanation

Explanation

b: Water Explanation

Explanation

c: KMO4 Explanation

Explanation

d: Buffer Explanation

Explanation

4) In MFC construction, which of the following should be kept anaerobic ?

a: Proton Exchange Membrane Explanation

Explanation

b: Cathodic compartment Explanation

Explanation

c: Anodic compartment Explanation

Explanation

d: Electrodes Explanation

Explanation

5) Features of a good PEM

a: Stability Explanation

Explanation

b: Durability Explanation

Explanation

c: Conductivity Explanation

Explanation

d: All the above Explanation

Explanation

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