What Is An Element, Mixture And Compound?

This video explains the differences between elements, mixtures, and compounds, using iron and sulfur as examples. It demonstrates tests on iron and sulfur separately, as a mixture, and as a heated mixture forming iron sulfide. The tests include appearance, reaction with water and acid, and magnetic properties, highlighting how mixtures retain individual properties while compounds form new substances.

Explain the significance of the pop test in identifying hydrogen gas.

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What happens when a heated mixture of iron and sulfur is formed?

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What is the appearance of iron sulfide compared to its components?

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