Author Question: Explain why laboratory identification of a plastic so often involves burning the plastic. What ... (Read 59 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
Explain why laboratory identification of a plastic so often involves burning the plastic.
 
  What will be an ideal response?

Question 2

Identify three tests for thermal properties of plastic materials.
 
  What will be an ideal response?



voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

Many plastics can be readily distinguished by their burning characteristics and the burning tests are so easy to perform.

Answer to Question 2

The heat distortion test (HDT), the coefficient of thermal expansion



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

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?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library