Question

Which of the following factors are responsible for change of state of dry ice (solid carbon dioxide) to carbon dioxide gas when kept exposed to air? I. increase pressure II. increase in temperature. III. decrease in pressure IV. decrease in temperature

Answer 1

Answer:

Solid CO2 gets converted into the gaseous state by decreasing the pressure to 1 atmosphere without coming into the liquid state. Hence, solid carbon dioxide is also known as dry ice.

Explanation:

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Answer 2

Refer to the attachment please