Is it normal to have pay raise or to ask for one after probation ends? My probation is 6 months long. On the assumption that performance review was pretty good for my probation.

Not common.

probation is meant to test if you are fit to the role not to test if u can get higher pay.

It's depend on company. U can always check with your company HR to see whether is there a pay raise

Depends on how your remuneration package was negotiated and agreed upon when u signed the employment.. If it was not mentioned, I think success rate is low..

It depends but I think only local companies have such practices, but yes, check with HR is the easiest.