Author Question: When silver tarnishes, A) Ag atoms are oxidized to form Ag+ ions. B) Ag atoms are reduced to ... (Read 172 times)

lak · **on:** Aug 27, 2018

When silver tarnishes,

A) Ag atoms are oxidized to form Ag+ ions.
B) Ag atoms are reduced to form Ag+ ions.
C) Ag+ ions are oxidized to form Ag atoms.
D) Ag+ ions are reduced to form Ag atoms.

Question 2

Steel is formed by

A) heating iron at high temperature for a long time.
B) combining iron, carbon and transition metals such as chromium and nickel.
C) oxidizing some of the iron to iron oxides.
D) adding sand and heating to a high temperature.