What is the melting and boiling point of solid
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If both its normal melting point and its normal boiling point are below room temperature (20°C), the substance is a gas under normal conditions. ... If both the normal melting point and the normal boiling point are above room temperature, the substance is a solid. Sodium chloride melts at 801°C and boils at 1413°C.
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The constant temperature at which a solid changes into liquid is called melting point. Example : ice cubes start melting and change state from a solid to liquid at the temperature of 0°C. Boiling point : The constant temperature at which a liquid starts changing into gas is called boiling point.
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