Question

Which of the following is observed when sugar is heated?

• A. Change in chemical composition
• B. No change in shape
• C. No change in chemical composition
• D. No change in colour

Answer 1

The correct option is A Change in chemical composition

When granulated sugar is heated, it starts to melt (change in physical state from solid into liquid and change in shape). As it melts its colour start to change from white to golden brown and further to dark brown. Moreover, the chemical composition is also changed because on heating sugar combines with the oxygen present in air to form new compounds.

Curiosity to know more:- The process in which sugar acquires a brownish hue on heating is called caramelization.