1. Compounds combine in fixed ratios and mixtures do not True or false 2. The contents of a heterogeneous mixture are distributed evenly throughout the mixture True or false

3. A homogeneous mixture is also known as a solution True or false

4. Solvents are dissolved in a solute True or false

5. Vaporization is an example of a liquid dissolving in a gas True or false

6. The addition of a solute causes the boiling point of the solvent to be True or false

7. Lemon juice (citric acid) and baking soda (sodium bicarbonate a base) are used in cooking True or false

8. Acid are sweet in taste True or false

9. Bases are slippery to touch like soap True or false

10. Litmus paper is an acid-base indicator True or false

11. Acids turn blue litmus paper red True or false

12. Bases turn litmus paper red True or false

13. Pure water has a pH of 7 True or false

14. Plant generally prefer soil with a pH of 14 True or false

15. pH of blood has a very narrow range True or false