Question

What will be the physical state of a substance ,at room temperature , if its melting point is 60 degree Celsius and boiling point is 150 degree Celsius.
1)solid
2)liquid
3)gas
4)none
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Answer 1

Answer:

The normal melting point of oxygen is -218°C; its normal boiling point is -189°C. Oxygen is a gas at room temperature. If the normal melting point of a substance is below room temperature, the substance is a liquid at room temperature.

gas is right ans

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