Question

which liquid changes into solid when heating​

Answer 1

French physicists has discovered a law-breaking liquid that defies the rules. When you heat it between 45 and 75C, it becomes solid. But the process is fully reversible, and this is a world's premiere.

Answer 2

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A solution composed of α-cyclodextrine (αCD), waterand 4-methylpyridine (4MP) shows this unique property. It becomes a solid when heated between 45 and 75 degree Celsius, and becomes a liquid when cooled again..

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