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tatiyna
3 years ago
13

Which substance is a gas at 20˚C and one atmosphere of pressure? A. C B. O3 C. Ca D. I2

Chemistry
1 answer:
jasenka [17]3 years ago
3 0

Answer:

O3

Explanation:

The answer to the question is O3 .

Hope this helped! Have an amazing day :)

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