Author Question: Which of the following is not a stage in water treatment? A) coarse filtration B) aeration C) ... (Read 103 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
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

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

For a complete list of videos, visit our video library