Question

how can we change the state of a given substance? explain with three examples​

Answer 1

Answer:

mark as Braniliest

Explanation:

Substances change all around us. They change depending upon their chemical make-up and what is done to them.

For example, a physical change does not result in the formation of new substances. Physical changes alter only the size, shape, form or matter state of a material. Water boiling, melting ice, tearing paper, freezing water and crushing a can are all examples of physical changes.

On the other hand, chemical changes are a bit different. In a chemical change, a new substance is formed. The chemical change also usually involves heat, burning, or other interaction with energy. There are five rules of thumb that usually determine if a chemical change

hope it helps

Answer 2

Hey friend!


Here is your answer;


We can change the state of any given substance by cooling or heating the given substance.

This is in simple words, we say is the addition or subtraction of heat energy.

For example;

Let us take the given substance as water.

We know that all matter has three basic states in nature: Solid, liquid and gas.

When we heat liquid water, it turns into vapour which is a gas.

When we cool liquid water to a critical temperature of 0 degree Celsius the water solidified into solid ice.

Hence similarly ice can be brought back to liquid state by heating and by cooling the vapour we get our liquid water back.

Thus, the state of any given substance can be changed if the temperature of the body is increased or decreased .


I hope it helps you.