Separating mixtures

12 questions

1. In chemistry, what distinguishes a compound from an element?
2. Order the states of matter from most to least freedom of movement:
3. Which is only a characteristic of a chemical change (compared to a physical change)?
4. What defines an element in chemistry?
5. What property measures how much matter is in a substance?
6. In chemistry, ___ chemicals refer to substances that only contain one type of fundamental unit, like an atom or molecule.
7. Match the following terms with their correct definitions.
8. Which of these is a true statement about mixtures?
9. The melting point data of a substance can help distinguish a pure substance from a...
10. Which of the following is **not** a correct use of the term 'pure' in scientific context?
11. Order the following steps used in separating a mixture. Start by identifying the components.
12. In a mixture, the chemical ___ of each substance remains unchanged.

License: OGL