Answer to the following questions in complete sentences. What is seen when phenolphthalein is added to distilled water?
Why do you think you had to use distilled water, which is pure water, rather than tap water?
What is seen when phenolphthalein is added to the filtered water with chalk? with calcium hydroxide?
What does it mean that the filtered water samples reacted with phenolphthalein?

Write a report on the advantages of hydroponic gardening (growing plants in water) versus growing plants in soil. Report must be a paragraph, at least six sentences, and contain a minimum of two advantages.