In an LPG cylinder, the contents are in liquid form. When it comes out of the cylinder, it becomes a gas. This is an example of which change and why?

Why is the process of rusting more frequent in coastal areas?

Look at the picture given below and identify the phenomena.

Look at the picture given below and identify the phenomena.

Sort the changes shown in the following images as physical or chemical changes.

Sort the change shown in the following image as physical or chemical changes.

Sort the change shown in the following image as physical or chemical changes.