Multiple Choice
Choose the INCORRECT statement.
A) Cu,Ag,and Au do not react with oxygen in the air.
B) Cu will corrode in moist air.
C) Ag will react with sulfur in the air to form tarnish.
D) Copper is used as copper halide in photography.
E) Copper is essential to life in trace amounts.
Correct Answer:

Verified
Correct Answer:
Verified
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