1. Addition of phenolphthalein solution to an acid results in no color change.   True   False   2. A pH scale reading of 2 indicates a _______.   weak base   strong base   weak acid   strong acid   Hint Half-n-half Clue   3. A pH scale reading of 13 indicates a _______.   weak acid   strong acid   weak base   strong base   Half-n-half Clue   4. Bromothymol blue solution turns bases _______.   orange   yellow   blue   colorless   Half-n-half Clue   5. Sulfuric acid turns red litmus paper blue.   True   False   6. Phenolphthalein solution turns bases _______.   colorless   yellow   orange   pink   Half-n-half Clue   7. Pure distilled water gives a pH scale reading equal to _______.   14   0   1   7   Half-n-half Clue