1. A pH scale reading of _______ indicates a weak base.   8   2   13   6   Hint Half-n-half Clue   2. A pH scale reading of less than 7 indicates _______ medium.   a basic   an acidic   a neutral   an unknown   Half-n-half Clue   3. A pH scale reading of more than 7 indicates _______ medium.   a basic   a neutral   an unknown   an acidic   Half-n-half Clue   4. Phenolphthalein solution turns bases _______.   pink   yellow   orange   colorless   Half-n-half Clue   5. A pH scale reading of 13 indicates a _______.   strong acid   weak base   weak acid   strong base   Half-n-half Clue   6. Pure distilled water gives a pH scale reading equal to _______.   7   1   0   14   Half-n-half Clue   7. Addition of phenolphthalein solution to an acid results in no color change.   True   False