can a tuotor help me to explain these questions pleas

1.explain how Separates proteins of identical molecular weight that differ in pI hold for the dimensional electrophoresis?

2.how is SDS polyacrylamide gel electrophoresis separates proteins on the basis of charge attributable to SDS polyacrylamide chromatography?

3.provide the sets of information that contradict the reality of ion-exchange chromatography

4.what justification holds for the true about affinity chromatography?

5.state the charecteristics ofsize-exclusion chromatography?

6.elabortae on the relationship betyween column chromatography and resolution increases subject to length of the column

7. The pattern on paper in chromatography is called __________explain briefly

8.in what form is Mobile phase ?

9.explain on the events of salting out effect during extraction of proteins

10. state on the characteristics of the purity of enzymes