IMAT Compounds and elements questions
67 questions · Chemistry
The difference between elements, compounds and mixtures, and how to tell them apart by composition and properties.
Sample questions
- A colourless liquid is heated and separates into two liquids that boil at different temperatures, each of which is then found to be pure. The original liquid was:
- AImpossible to classify from this evidence, since both liquids are colourless like the original
- BA mixture, because distillation separates by boiling point without breaking bonds
- CA compound, because it broke into two substances when heated to its boiling point
- DAn element, since each of the two liquids obtained was found to be pure
- EAn allotrope, since both liquids came from the same original substance
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