Useful facts about Separation of Substances
The constituents of a mixture are not present in a fixed ratio. No chemical reaction takes place amongst the constituents of a mixture. Mixtures are of two types—homogeneous and heterogeneous.
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What are the effects of dissolved substances in boiling point and melting point?
The effect of dissolved substances i.e. Sugar and Salt. On the boiling point of water. Some of the solute (salt) molecules occupy the surface, reducing the effective area for evaporation.