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Author Question: Which of the following characteristics of synthetic polymers is NOT a problem? A) They frequently ... (Read 113 times)

jazziefee

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Which of the following characteristics of synthetic polymers is NOT a problem?
 
  A) They frequently are neither biodegradable nor photodegradable.
  B) They frequently give off poisonous gases when they are burned.
  C) They generally have a high energy content and can be burned.
  D) They make up a large volume of the waste which goes into landfills.

Question 2

Substances added to surfactants to increase their detergency are
 
  A) brighteners.
  B) builders.
  C) emulsifiers.
  D) enzymes.



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Ashley I

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Answer to Question 1

C

Answer to Question 2

B





 

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