These are the Key Properties of Oxygen | Chemistry Important Topics

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Oxygen is a colourless, odourless and tasteless gas.

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Oxygen itself does not burn, but it supports combustion.

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It is slightly soluble in water. Aquatic animals use this dissolved oxygen for respiration.

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Oxygen is neutral to litmus. i.e., it is neither acidic nor basic.

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It is slightly heavier than air.

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The liquid and solid state of oxygen is pale blue in colour.

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The boiling point of liquid Oxygen is -183 degree C. It is a gas at room temperature.

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The freezing point of oxygen is -218.8 degree C.

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