Multiple Choice
Of the following statements, _ is not true for oxygen.
A) Dry air is about 79% oxygen.
B) The chemical formula of ozone is O3.
C) The most stable allotrope of oxygen is O2.
D) Oxygen forms peroxide and superoxide anions.
E) Oxygen is a colorless gas at room temperature.
Correct Answer:

Verified
Correct Answer:
Verified
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