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Author Question: Which substance is a common reducing agent used in the production of metals from ores? A) C B) ... (Read 30 times)

kshipps

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on: Aug 27, 2018
Which substance is a common reducing agent used in the production of metals from ores?
 
  A) C
  B) Na2Cr2O7
  C) H2O
  D) LiBr

Question 2

In the reaction N2 + 3 H2  2 NH3, nitrogen is
 
  A) a product.
  B) a reducing agent.
  C) an oxidizing agent.
  D) a catalyst.

Question 3

Which of the following is NOT a potential problem with a sanitary landfill?
 
  A) A landfill may leak and contaminate groundwater.
  B) Materials in a landfill decompose more slowly than materials that are exposed to environmental conditions.
  C) The landfill will eventually fill up.
  D) All of the above are potential problems of landfills.


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nanny

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

A

Answer to Question 2

C

Answer to Question 3

D


kshipps

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Reply 2 on: Aug 27, 2018
:D TYSM

T4T

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Reply 3 on: Yesterday
Gracias!

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