Yes.
For some European countries they would need a visa.
nope.
No. You don't need a visa. Prague is in the Czech Republic, which is part of the European Union. Anyone with any EU passport can go there without a visa.
No, no need to have a Chinese visa
Yes you need a visa and alot of paper work
yes
yes
NO.
Anybody visiting Russia needs a visa. A Russian visa is not a rubber stamp, it is a separate document with your photo on it. Also, apply for one as far in advance as possible.
As a tourist you will need to apply for a tourist visa. If you are applying for a different type of visa, all countries will need to apply for a visa
Yes a Malaysian needs a visa to enter Jordan Amman. See related link for more information.