The most common oxidation state of silicon is __________.
A) -4
B) +2
C) +6
D) -2
E) none of the above
Correct Answer:
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Q102: An example of a form of pure
Q104: To produce carbon black,_.
A)diamond is exposed to
Q105: Glass is _ whereas quartz is _.
A)hard,
Q108: _ is formed when wood is heated
Q109: What is the oxidation state of carbon
Q118: Tetraboric acid,H2B4O7,is prepared by heating boric acid,H3BO3
Q119: Boric oxide is _.
A)B2O
B)BO2
C)BO
D)B2O3
E)B2O4
Q120: The correct name of H2CO3 is _.
A)hydrogen
Q122: The disilicate ion is _.
A)Si2O88-
B)Si2O76-
C)Si2O84-
D)Si2O86-
E)Si2O72-
Q123: The oxidation state of silicon in SiO24-
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