Question

Consider the following statements.

Statement 1: The change in which one or more substances lose their identity and form one or more new substances are known as chemical changes.

Statement 2: Process of rolling dough is an example of physical change.

• A. Both statements are true.
• B. Both statements are false.
• C. Only statement 1 is true.
• D. Only statement 2 is true.

Answer 1

The correct option is A Both statements are true.

Therolling of dough only changes its shape and no chemical change occurs. There is no new substance formed. So, this is a physical change.