Question

Which statement describes the chemical property of copper that results in

the formation of tarnish?
O A. It does not burn.
O B. It has a very high boiling point.
C. It has a low density.
O D. It reacts easily with other substances.

Answer 1

The answer for this would be
D. It reacts easily with other substances

Answer 2

it reacts easily with other substances. This is why they easily rust and oxidize when in contact with oxygen, and tarnish when meets water.