The corrosion of metals, such as the rusting of iron, is an example of
A) reduction.
B) oxidation.
C) proton transfer.
D) transmutation.
Question 2
Photochromic lenses contain
A) only AgCl embedded in the glass.
B) only CuCl embedded in the glass.
C) both AgCl and CuCl embedded in the glass.
D) neither AgCl nor CuCl embedded in the glass.