You should put a picture or finish the question
Answer:
Phenol red indicator.
Explanation:
- Phenol red indicator is an organic dye which works as an indicator in the pH range (6.8 - 8.4) for acid-base reactions.
<em>The color in acidic solutions is yellow and in basic solution is red.</em>
Answer:
Adding impurities to a solution, in most cases, increases the boiling point of the solution. This occurs because the presence of impurities decreases the number of water molecules available to become vaporized during boiling.
Explanation:
Answer: Evaporation
Explanation: the process of turning from liquid into vapor