When metals react with oxygen,they form
A) oxygen gas.
B) noble gases.
C) oxides.
D) nonmetals.
Correct Answer:
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Q41: The most abundant element (by mass)in the
Q42: Which of the following statements about the
Q43: Photochromic lenses contain
A)only AgCl embedded in the
Q44: The corrosion of metals,such as the rusting
Q45: All of the following are commonly involved
Q47: The black tarnish on silver is
A)AgOH.
B)Ag₂O.
C)AgCl.
D)Ag₂S.
Q48: Most chemical explosions are _ reactions.
A)nuclear fission
B)oxidation-reduction
C)neutralization
D)condensation
Q49: When silver tarnishes,
A)Ag atoms are oxidized to
Q50: A battery in which a fuel is
Q51: A mixture of ammonium nitrate (NH₄NO₃)and fuel
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