| Question |
Answer |
| 1. When water ionizes, it creates H+ ions which are _______ and OH– ions which are_____. |
1.acidic, basic |
| 2. Evaporation of a liquid has a________effect on the surface from which it evaporates. |
2.cooling |
| 3. A solution having a pH of 6 is ________. |
3.acidic |
| 4. The unique nature of water keeps the temperature of the earth’s surface livable. |
4.true |
| 5. The unique nature of water keeps lakes from freezing solid in the winter months. |
5.true |
| 6. Blood and lymph are made of mostly protein. |
6.false |
| 7. Water serves as a medium in which food and nutrient substances dissolve to feed living cells. |
7.true |
| 8. Acid/base reactions produce water and a salt. |
8.true |
| 9. Soft drinks contain acid. |
9.true |
| 10. Milk of magnesia works by neutralizing stomach acid. |
10.true |
| 11. The following are methods for separating suspensions: |
11.filtration, settling, centrifugation |
| 12. Which of the following reactions shows the correct, complete ionization of sodium hydroxide: |
12.NaOH ---> Na+ + OH- |
| 13. The following reactions shows the correct way that hydrochloric acid normally reacts with sodium hydroxide: |
13.HCl + NaOH ---> NaCl + H2O |
500 Words
