1. Bromothymol blue solution turns bases _______.   orange   yellow   colorless   blue   Hint Half-n-half Clue   2. Sulfuric acid turns red litmus paper blue.   True   False   3. Methyl orange solution turns bases _______.   orange   yellow   pink   colorless   Half-n-half Clue   4. Addition of phenolphthalein solution to an acid results in no color change.   True   False   5. Methyl orange solution turns acids _______.   colorless   yellow   orange   pink   Half-n-half Clue   6. A pH scale reading of more than 7 indicates _______ medium.   an unknown   a basic   an acidic   a neutral   Half-n-half Clue   7. A pH scale reading of less than 7 indicates _______ medium.   a neutral   an unknown   an acidic   a basic   Half-n-half Clue