what is melting point - temperature at which soild change to a liquid, what is bolting points - the temperature at which a liquid change to gas, If you heat a pan of water , the water will boil , or cgange to a gas , what is this ? - Bolting point, What is defferent by melting point and bolting poit - not depent on size or amount, melt when it warm enough to reach - melting point,

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