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Topic 8: Acids, Bases, and Salts
12. pH: Determining properties of a solution based on its pH
1. Which is true of a solution that has a pH of 4?
1) Litmus will be blue
2) Litmus will be red
3) Phenolphthalein will pink
4) Phenolphthalein will be red
2. An aqueous solution with a pH of 10 turns litmus
1) Blue, and phenolphthalein will be pink
2) Blue, and phenolphthalein will stay colorless
3) Red, and phenolphthalein will turn pink
Teacher Preview Copy
Teacher Preview Copy
4) Red, and phenolphthalein will stay colorless
3. Which is true concerning the relative concentration of OH- to H+ ions in a solution with a pH of 3?
-
+
1) The solution contains more OH than H ions
+
-
2) The solution contains more H than OH ions +
-
3) The solution contains equal number of OH to H ions
4) The solution contains no H+ and no OH- ions
4. A solution with a pH of 11 contains
-
+
1) More H than OH
+
-
2) More OH than H -
+
3) Equal number of H and OH
4) Neither H nor OH -
+
5. A solution with a pH of 13 is
1) An electrolyte that will turn litmus red
2) An electrolyte that will turn litmus blue
3) A nonelectrolyte that will turn litmus red
4) A nonelectrolyte that will turn litmus red
6. When tested, a solution turns red litmus to blue. This indicates that the solution contains more
+
-
1) H3O than OH ions, and has a pH above 7
2) H3O than OH ions, and has a pH below 7
-
+
+
-
3) OH than H3O ions, and has a pH above 7
+
-
4) OH than H3O ions, and has a pH below 7
7. An indicator is used to test a water solution with a pH of 12. Which indicator color could be
observed?
1) Colorless with litmus
2) Red with litmus
3) Colorless with phenolphthalein
4) Pink with phenolphthalein
256 Copyright © 2010 E3 Scholastic Publishing. All Rights Reserved. Survivingchem.com
Topic 8: Acids, Bases, and Salts
12. pH: Determining properties of a solution based on its pH
1. Which is true of a solution that has a pH of 4?
1) Litmus will be blue
2) Litmus will be red
3) Phenolphthalein will pink
4) Phenolphthalein will be red
2. An aqueous solution with a pH of 10 turns litmus
1) Blue, and phenolphthalein will be pink
2) Blue, and phenolphthalein will stay colorless
3) Red, and phenolphthalein will turn pink
Teacher Preview Copy
Teacher Preview Copy
4) Red, and phenolphthalein will stay colorless
3. Which is true concerning the relative concentration of OH- to H+ ions in a solution with a pH of 3?
-
+
1) The solution contains more OH than H ions
+
-
2) The solution contains more H than OH ions +
-
3) The solution contains equal number of OH to H ions
4) The solution contains no H+ and no OH- ions
4. A solution with a pH of 11 contains
-
+
1) More H than OH
+
-
2) More OH than H -
+
3) Equal number of H and OH
4) Neither H nor OH -
+
5. A solution with a pH of 13 is
1) An electrolyte that will turn litmus red
2) An electrolyte that will turn litmus blue
3) A nonelectrolyte that will turn litmus red
4) A nonelectrolyte that will turn litmus red
6. When tested, a solution turns red litmus to blue. This indicates that the solution contains more
+
-
1) H3O than OH ions, and has a pH above 7
2) H3O than OH ions, and has a pH below 7
-
+
+
-
3) OH than H3O ions, and has a pH above 7
+
-
4) OH than H3O ions, and has a pH below 7
7. An indicator is used to test a water solution with a pH of 12. Which indicator color could be
observed?
1) Colorless with litmus
2) Red with litmus
3) Colorless with phenolphthalein
4) Pink with phenolphthalein
256 Copyright © 2010 E3 Scholastic Publishing. All Rights Reserved. Survivingchem.com
