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Author Question: What is the purpose of allowing water to cascade or bubble in a fountain during the purification ... (Read 83 times)

jerry coleman

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on: Jul 29, 2018
What is the purpose of allowing water to cascade or bubble in a fountain during the purification process?
 
  A) to mix air into the water and improve flavor
  B) to remove radioactive gases
  C) to remove unpleasant smelling chemicals like sulfur
  D) all of the above
  E) only A and B

Question 2

What is the purpose of adding aluminum salts and a base to water during water treatment?
 
  A) The two together gel and trap dirt and bacteria.
  B) The higher pH kills bacteria.
  C) The aluminum removes the rust taste from the water.
  D) The base dissolves the dirt.
  E) It improves the taste.


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mathjasmine

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


jerry coleman

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Reply #2 on: Jul 29, 2018
Thank you!


mathjasmine

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Reply #3 on: Jul 29, 2018
Always glad to help...


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