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Author Question: Limestone is consists of A) Al2O3. B) CaCO3. C) Fe2O3. D) PbS. ... (Read 116 times)

abc

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on: Aug 27, 2018
Limestone is consists of
 
  A) Al2O3.
  B) CaCO3.
  C) Fe2O3.
  D) PbS.

Question 2

The oxidation number for l in l2 is
 
  A) -2.
  B) -1.
  C) 0.
  D) +1.

Question 3

Which of the following is a definition of oxidation?
 
  A) Oxidation is the loss of electrons.
  B) Oxidation is the addition of hydrogen.
  C) Oxidation is the loss of oxygen.
  D) Oxidation is the addition of electrons.


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mcni194

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

B

Answer to Question 2

C

Answer to Question 3

A


abc

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Reply #2 on: Aug 27, 2018
Thanks


mcni194

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Reply #3 on: Aug 27, 2018
Welcome :)


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