An object measuring 25.0 inches will have a length of ________ centimeters.
A) 63.5
B) 9.84
C) 0.0158
D) 0.102
E) 2.54
Question 2
Which of the following statements is not true for oxygen?
A) The most stable allotrope of oxygen is O2.
B) The chemical formula of ozone is O3.
C) Dry air is about 79 oxygen.
D) Oxygen forms peroxide and superoxide anions.
E) Oxygen is a colorless gas at room temperature.