1. Sulfuric acid turns red litmus paper blue.   True   False   2. A pH scale reading of 13 indicates a _______.   weak acid   weak base   strong base   strong acid   Hint Half-n-half Clue   3. Methyl orange solution turns acids _______.   yellow   orange   pink   colorless   Half-n-half Clue   4. A pH scale reading of _______ indicates a weak acid.   8   13   2   6   Half-n-half Clue   5. Bromothymol blue solution turns acids _______.   yellow   colorless   orange   blue   Half-n-half Clue   6. Bromothymol blue solution turns bases _______.   yellow   orange   colorless   blue   Half-n-half Clue   7. Addition of phenolphthalein solution to an acid results in no color change.   True   False