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