Question

Which of the following processes can be definitely termed as a “physical” change? A process in which the final and initial substances have the same physical state. A process in which weight of final substances and the initial substances are equal. A process in which the final substance(s) is/are of the same colour as the initial. A process in which a solid substance directly changes into its gaseous form.

Answer 1

Answer:

A process in which the final and initial substances have the same physical state. A process in which weight of final substances and the initial substances are equal.

Explanation: