This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The principal cations in hard water are sodium and potassium ions. Indicate whether the statement ... (Read 104 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

B


Charlie

  • Hero Member
  • *****
  • Posts: 640
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Irish Water Spaniel Irish Water Spaniel
Plains zebra are highly dependent on water. Plains zebra are highly dependent on water.
sodium sodium
Polar Nature of Water Molecules Polar Nature of Water Molecules
What is the molarity of KCl in sea water if sea water is 12.5% (m/m) and the den What is the molarity of KCl in sea water if sea water is 12.5% (m/m) and the den
Video: Sigmoidoscopy

For a complete list of videos, visit our video library