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    Question

    Which gas in its solid state is also known as dry

    ice?
    A Carbon dioxide Correct Answer Incorrect Answer
    B Hydrogen Correct Answer Incorrect Answer
    C Nitrogen Correct Answer Incorrect Answer
    D Oxygen Correct Answer Incorrect Answer

    Solution

    Dry ice is the solid form of carbon dioxide. It is commonly used for temporary refrigeration as COâ‚‚ does not have a liquid state at atmospheric pressure and sublimates directly from the solid state to the gas state.

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