Question

Sahil took a white solid from his teacher to find out its melting point. During theexperiment, he found that the melting point was 160 °C. But, the teacher told him that actual melting point of the solid is 150 °C . What could be the reason for Sahil's observation

Answer 1

The solids contains some impurities mixed with the pure compound.

Explanation:

Presence of impurities lowers the melting point and elevates the boiling point of pure substances