The powdered iron is magnetic, but the powdered sulfur is not. If they both form a mixture in a beaker at room temperature the iron retains its magnetic properties.
<u>Explanation:</u>
Mixing of iron with sulfur, No chemical reaction occurs. This a type of physical reaction so no changes occur.
The iron retains its magnetic properties. If this mixture is heated for a certain degree celsius.
Then it undergoes a chemical reaction. The iron mixed with the sulfur to form iron sulfide(FeS).
Mark out the ones it can’t possibly be which will leave you with 2 left! After possibly go back in notes and see if they talked about it! Sorry it’s not much help but it makes it easy because I can’t figure out the answer!:(
The correct answer is 68.0 %.
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Northern Europe because it was probably cold and had animals that are egstinct now but we're alive then. I think colder areas have more dangerous creatures.
