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Which is not a compound?

oxygen gas
water
silicon dioxide
carbon dioxide gas

User Abeer
by
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2 Answers

1 vote

Answer: Oxygen gas

Explanation: Gradpoint

User Shayan Shafiq
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1 vote

Answer:

Oxygen gas

Step-by-step explanation:

It is a pure element. The rest are compounds made up of two or more elements. For eg silicon dioxide is made of silicon and oxygen.

User Lokheart
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