how a substance which can change its state oxygen
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The boiling point of Oxygen is -219°C. When oxygen is cooled to -219°C itbecomes a solid. The natural state of asubstance can be solid, liquid or gas but it can be changed to another state, by heating or cooling.
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The boiling point of Oxygen is -219°C. When oxygen is cooled to -219°C it becomes a solid. The natural state of a substance can be solid, liquid or gas but it can be changed to another state, by heating or cooling.
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