Question

6. Which gas becomes solid upon cooling up to - 78.5 °C temperature:
a. Oxygen gas
b. Hydrogen gas
c. Carbon dioxide gas
d. Hydrogen sulphide gas​

Answer 1

Answer:

carbon dioxide gas become solid upon cooling up to 78.5 ℃ temperature.

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Answer 2

Answer:

Your answer is (b). Carbon dioxide. (also called as Dry ice)

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Explanation:

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