Answer:
It is calcium phosphide.
Explanation:
Calcium phosphide is a salt like material that is composed of calcium and phosphorus in the ratio of 2:5. It has the appearance of red brown Crystalline salt.
It is use as rodenticide to kill rats.
It is also use in fire works.
The liquid did not chemically bond after 3 days, therefor it is a mixture.
Hope this helps!
Iron bromide isn't considered magnetic because all iron compounds are not magnetic
