select the correct answer.\nmartin mixed sulfur (a yellow solid) with iron filings (a black solid) in a…

select the correct answer.\nmartin mixed sulfur (a yellow solid) with iron filings (a black solid) in a ceramic dish called a crucible. then he separated them using a magnet. what kind of a change is this?\na. change in state\nb. mixing and separation\nc. replacement\nd. synthesis
Answer
Brief Explanation:
Martin mixed sulfur and iron filings and then separated them using a magnet. This is a physical process of mixing and separation without any chemical reactions like replacement or synthesis, and no change in state occurred.
Answer:
B. mixing and separation