name a substance that leaves no residue behind. Give the equation.
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Camphor is a very common substance that is known to sublime on heating. When camphor is heated, it changes directly from the solid state into the gaseous state and does not leave any residue behind. The chemical formula of camphor is C10H16O. Following is the reaction that occurs on heating camphor
2 C10H16O + 27 O2 → 20 CO2 + 16 H2O
2 C10H16O + 27 O2 → 20 CO2 + 16 H2O
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