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Author Question: Coal tar and coke are sources of organic chemicals for medical and industrial use. Indicate ... (Read 76 times)

james

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on: Aug 27, 2018
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.


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nixon_s

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Reply #1 on: Aug 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


james

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Reply 2 on: Aug 27, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Wow, this really help

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