Elemental Chemistry Unit 5 Acids And Bases

Test Description: Acids and Bases

Instructions: Answer all questions to get your test result.

1) Acids always break down carbonates to form carbon dioxide

2) Weak acids are used in batteries because they are good electrolytes, meaning they conduct electricity well.

3) All alkalis are bases, but not all bases are alkalis.

4) Calcium carbonate is an acidic substance that is found in seashells and chalk.

5) The pH scale is based on the number of hydroxide ions found in a solution.

6) Indicators help chemist to tell the acidity or alkalinity of a solution.

7) The strong ionic bonds in salts cause them to have high melting and boiling points,

8) Other than table salt, salts are not commonly found in substances.

9) When acids dissolve in water they yield positively charged hydrogen ions.

10) Weak bases completely dissociate in water while strong acids do not.

11) pH stands for power of hydrogen and it measures the acidity or alkalinity of a solution.

12) A salt is a compound of a metal and nonmetal joined together in a metallic bond.

13) A salt is made when and acid and a base are mixed.

14) Titration is the method of finding the concentration of acidic or alkaline solutions.

15) Neutralization is the process by which you make a solution neither acid nor alkaline.

16) A salt is a solution that resists changes in pH.

17) A buffer is compound that reacts with an acid to produce water and a salt.

18) An alkaline solution is a solution that contains a base or has a pH of greater than 7.

19) Dissolution is the process by which a substance is split up into its ions in a solution.


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