Author Question: What is the U.S. Food and Drug Administration (FDA) purity standard for O2? a. 21 b. 90 c. 95 ... (Read 24 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
What is the U.S. Food and Drug Administration (FDA) purity standard for O2?
 
  a. 21
  b. 90
  c. 95
  d. 99

Question 2

Which of the following medical gases support combustion? 1. O2 2. N2O 3. Compressed air 4. CO2
 
  a. 1 and 4 only
  b. 2 and 3 only
  c. 1, 2, and 3 only
  d. 1, 3, and 4 only



Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

ANS: D
FDA standards require an O2 purity of at least 99.0.

Answer to Question 2

ANS: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

For a complete list of videos, visit our video library