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

Author Question: Coal tar and coke are sources of organic chemicals for medical and industrial use. Indicate ... (Read 60 times)

james

  • Hero Member
  • *****
  • Posts: 573
Coal tar and coke are sources of organic chemicals for medical and industrial use.
 
  Indicate whether the statement is true or false

Question 2

Benzoic acid serves as a(n)
 
  A) coloring agent
  B) preservative.
  C) moisturizer.
  D) reducing agent.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

TRUE

Answer to Question 2

B




james

  • Member
  • Posts: 573
Reply 2 on: Aug 27, 2018
Excellent


adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

For a complete list of videos, visit our video library