Author Question: Most economically valuable metals are processed from A) ionic compounds. B) silicate ores. C) ... (Read 129 times)

mynx

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Most economically valuable metals are processed from
 
  A) ionic compounds.
  B) silicate ores.
  C) oxide and silicate ores.
  D) sulfide and oxide ores.

Question 2

What do the minerals gold, sulfur, and talc have in common?
 
  A) They are yellow in color.
  B) They are used almost as they are when removed from the ground.
  C) They are soft in texture.
  D) They are expensive to purchase.



wfdfwc23

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: B



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