Question

what are the various methods which can bring a change in any substance?​

Answer 1

Change can be caused due to a fluctuation or alteration in temperatures. Such a change in most cases changes the form of the object. Revisiting the example of water and ice, when water is exposed to a low temperature for over a period of time, it freezes and turns to ice.

Hope it helps you..................................................................

Answer 2

Changes by mixing a substance with other: We can bring about a change in a substance by mixing it with another, e.g.,Making solution by mixing water soluble substances in water.