1. A pH scale reading of less than 7 indicates _______ medium.   an unknown   an acidic   a basic   a neutral   Hint Half-n-half Clue   2. A pH scale reading of 2 indicates a _______.   strong acid   strong base   weak base   weak acid   Half-n-half Clue   3. A pH scale reading of _______ indicates a weak base.   13   8   2   6   Half-n-half Clue   4. A pH scale reading of 13 indicates a _______.   strong acid   weak acid   strong base   weak base   Half-n-half Clue   5. Methyl orange solution turns bases _______.   pink   yellow   orange   colorless   Half-n-half Clue   6. A pH scale reading of _______ indicates a weak acid.   13   6   8   2   Half-n-half Clue   7. Phenolphthalein solution turns bases _______.   orange   yellow   pink   colorless   Half-n-half Clue