1. True or false? Bases change litmus paper to blue. |
2. True or false? Ammonia is an acid. |
3. True or false? Properties of acids include being corrosive and having a sour taste. |
4. True or false? Sulfuric acid is known as a strong acid. |
5. True or false? Base solutions have a pH below 7. |
6. True or false? The chemical formula for sulfuric acid is H2SO4. |
7. True or false? Lemons contain citric acid. |
8. True or false? An alkali is an acid. |
9. True or false? An anion is an ion with more electrons than protons, giving it a negative charge. |
10. True or false? Neutral solutions have a pH of 0. |
11. True or false? Acids change litmus paper to red. |
12. True or false? The word acid comes from the Latin word acidus (meaning sour). |
13. True or false? The chemical formula for sodium hydroxide is NaH. |
14. True or false? A cation is an ion with more protons than electrons, giving it a positive charge. |
15. True or false? Acetic acid gives vinegar a sour taste and strong smell. |
16. True or false? Acid solutions have a pH above 7. |
17. True or false? Formic acid is found in bee venom. |
18. True or false? Sodium hydroxide is known as a weak base. |
19. True or false? DNA is an abbreviation for deoxyribonucleic acid. |
20. True or false? Potassium hydroxide contains potassium, oxygen and helium. |