Name the products(s) formed on heating sugar strongly in the absence of air.

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Solution

Sugar charcoal:
Sugar charcoal is the purest form of amorphous carbon $(C)$ .
It is prepared by the destructive distillation of sugar $(C_{12} H_{22} O_{11})$ , i.e., by heating sugar strongly in a closed container in the absence of air.
On heating strongly, water $(H_{2} O)$ is lost and sugar charcoal is left behind.
$\underset{sugar}{C_{12} H_{22} O_{11}} \overset{Heat}{(s) \to} \underset{carbon}{12 C (s)} + \underset{water}{11 H_{2} O (l)}$

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