Question

I hope you all will help me​

Answer 1

1. Reversible process

2. Irreversible process

3. Molecules

4. Chemical change

5. Saturated solution

Answer 2

1. An action that can be reversed to its original or initial stage.

Ans: Reversible change

2. Drawing an aeroplane and then cutting it is an example of this kind of change.

Ans: Irreversible change

3. The smallest unit of a substance which can exist independently.

Ans: Molecule

4. The change which occurs when an egg is boiled.

Ans: Chemical change as it cannot be reversed.

5. A solution in which no more solute can be dissolved.

Ans: Saturated solution.

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