This topic contains a solution. Click here to go to the answer

Author Question: The principal cations in hard water are sodium and potassium ions. Indicate whether the statement ... (Read 145 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
The principal cations in hard water are sodium and potassium ions.
 
  Indicate whether the statement is true or false

Question 2

Plexiglass is
 
  A) polyvinyl chloride.
  B) polymethyl methacrylate.
  C) polytetrafluoroethy lene.
  D) polyvinyl acetate.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

FALSE

Answer to Question 2

B



Charlie

  • Hero Member
  • *****
  • Posts: 640
Both answers were spot on, thank you once again



janeli

  • Sr. Member
  • ****
  • Posts: 346

 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library