Which material is characterized by a double chain arrangement of ...

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Which material is characterized by a double chain arrangement of SiO4 tetrahedra?
 
  A) asbestos
  B) mica
  C) glass
  D) quartz

Question 2

In the following reaction, hydrogen is the ________. CuO + H2  Cu + H2O
 
  A) electron donor
  B) proton donor
  C) oxidizing agent
  D) reducing agent

Question 3

In a reaction, the substance undergoing reduction serves as the
 
  A) electron donor.
  B) proton donor.
  C) oxidizing agent.
  D) reducing agent.

[CourtneyCNorton]

Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

C

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TYSM

[patma1981]

Thanks for the timely response, appreciate it