Iron and Sulphur Mixture appearance before and after heating
I am revising experiments and I can't understand what is happening in this one. The experiment is briefly like this.
Collect a spatula of iron fillings and were placed on a piece of paper. Then a spatula of Sulphur powder was collected and mixed with the Iron fillings (i.e. we have a mixture).
I would like to know what does the mixture look like?
Then the same mixture is placed in a test-tube and heat it strongly in a fume-cupboard.
What does it happen in the test-tube?
I never carried this experiment at class so I have no idea what happens.
All I know that:
Fe + S -> FeS (iron sulphide) as a product.
Can anyone help me please,
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