Question

what happens when sugar is heated in an evaporating dish? give balanced chemical equation.

Answer 1

Sucrose (C12H22O11) is a carbohydrate(hydrate of carbon) which decomposes when heated to carbon and water

C12H22O11 = 12C + 11H2O

When sugar is heated steam is given off and you end up with a black ash.

Answer 2

When sugar is heated, it first melts in liquid sugar then after that if we heat it more it caramelises.

Explanation:

• Sugar is made of 'Carbon, hydrogen and oxygen'.

• On heating the sugar it meltdown in a liquid with a 'light brown colour'.

• On continuously heating sugar it turns blackish brown.

• When the sugar is heated, the element present in it react with the fire and change into liquid.

• Due to the heat, the atoms of the sugar mix with the oxygen in the air.

• Energy is also released in the form of Smoke and black soot'.

        $C_1_2H_2_2O_1_1  (Sucrose) \rightarrow 12C + 11H_2O$.

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