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Author Question: Fire was one of the earliest agents that enabled chemical changes. Indicate whether the statement ... (Read 67 times)

Themember4

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Fire was one of the earliest agents that enabled chemical changes.
 
  Indicate whether the statement is true or false

Question 2

A substance which lowers the activation energy of a chemical reaction is called a(n)
 
  A) reducing agent.
  B) catalyst.
  C) oxidizing agent.
  D) carcinogen.



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sultana.d

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Answer to Question 1

TRUE

Answer to Question 2

B




Themember4

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Reply 2 on: Aug 27, 2018
Excellent


ryhom

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Reply 3 on: Yesterday
Gracias!

 

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