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Why is oxygen called a gas? Give reasons

Answer» Oxygen remains in gaseous state at normal temperature and pressure. As the property of gases having no shape and volume, oxygen do not have a fixed shape or volume. Oxygen flows from areas of higher to lower concentrations. Hence for these reasons oxygen remains as gas.
Please answer me now of this question What is dry Ice? How is it prepared?
What is dry Ice? How is it prepared?


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