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Author Question: Which of the following is not a stage in water treatment? A) coarse filtration B) aeration C) ... (Read 154 times)

09madisonrousseau09

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on: Aug 27, 2018
Which of the following is not a stage in water treatment?
 
  A) coarse filtration
  B) aeration
  C) chlorination
  D) distillation
  E) settling

Question 2

When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of ________ nm is emitted.
 
  A) 487
  B) 411
  C) 434
  D) 93.8
  E) 657


jessicaduplan

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


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