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- 1. Multiple Choice
Is air compressible?
Yes
No
- 2. Multiple Choice
Which of the following people are supposed to have discovered Oxygen
Joseph Priestly
Carl Wilhelm Scheele
Antoine Lavoisier
All of the above
- 3. Multiple Choice
The atomic number of oxygen is ______.
17
8
56
9
- 4. Multiple Choice
Oxygen combines with elements to form _____________.
Oxides
Mixtures
Oxidations
- 5. Multiple Choice
Oxygen is the most abundant gas in air.
True
False
- 6. Multiple Choice
Is oxygen a metal or a non-metal?
Metal
Non-metal
Metalloid
Noble gas
- 7. Multiple Choice
What is the colour of solid and liquid oxygen?
Dark blue
Pale blue
Pale yellow
Pale pink
- 8. Multiple Choice
What other colours does oxygen exist in?
Pink
Orange
Red
Brown
- 9. Multiple Choice
On the basis of abundance at which level is oxygen?
5th
3rd
1st
15th
- 10. Multiple Choice
Which is more soluble in water?
Oxygen
Nitrogen
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