Is there a Muslim hell? If you mean: Dose Islam have Hell in its doctrine? Yes. Any one who is a Muslim will not remain in Hell. (but all shall see and/or go through Hell - even the prophets)

Are Christians going to hell? Yes too. But the Mercy of God will save them from eternal Hell for they followed blindly. (without being allowed to research other options)

What is meant by the term polytheism in
Christianity is it the son the father and the holy spirit seen as blasphemy? Yes. because God was not begotten and it dose not become him to beget one. he says only "Be!" and it is.

(Quick answers please Jisbond I couldn't read those damn quotes again)