1.

Sugar gets charred when treated with conc. H_(2)SO_(4) . This is an example for __________

Answer»

physicalchange.
chemicalchange.
simultaneous physical and chemical change.
chemical combination reaction.

Solution :When SUCROSE (sugar) is treated with conc .`H_(2)SO_(4)`coke is formed due to the removal of water molecules.
`C_(12)H_(22)O_(11)overset("conc."H_(2)SO_(4))to12 C+11H_(2)O`


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