CK-12 Physical Science Concepts - For Middle School

(Marvins-Underground-K-12) #1

3.54. pH Concept http://www.ck12.org


FIGURE 3.103


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Try arranging substances in order by their pH values at the following URL.


http://www.quia.com/rd/1975.html?AP_rand=1450177352


Review



  1. What determines how acidic or basic a solution is?

  2. What is pH? What is the pH of a neutral substance?

  3. How much more acidic is soapy water than pure water? (Hint: See the pH chart in theFigure3.101.)

  4. Why is the pH of the environment important for living things?

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