"potash"
It's definitely just potassium, champ. If you mean the name of the Latin origin of potassium, that's kalium. (That's where the K's from.)
Bauxite ore. The name "aluminum" comes from the compound "Alum", which is hydrated aluminum potassium sulfate. Alum is available as a white powder.
Potassium is a generic name. The chemical substance is potassium.
it is named k because from its latin origin
There really aren't any, since potassium is not something you find lying around (it's way too reactive). Potassium hydroxide has a common name of "lye" if that helps. You might also hear it called "potash" (which is where the word potassium comes from).
i think either potassium(II) sulfate or potassium sulfate
No, the formal name is potassium ethanoate
It is Potassium.
Potassium Iodide
The name for K2Cr2O7 is potassium dichromate.
The common name for potassium nitrate is saltpeter, but I don't think potassium nitride has a common name.