Question

Which of the following is not a physical change?

• A. Burning of Paper
• B. Cutting of paper
• C. Twisting of paper
• D. Folding of paper

Answer 1

The correct option is A Burning of Paper

In burning of a paper, its chemical composition changes, hence a chemical change and not a physial change.
In cutting, twisting or folding a paper, only its physical property changes and there is no composition change, hence physical changes.