2. Differentiate between reversible and irreversible changes.

1.	2. Differentiate between reversible and irreversible changes.
Answer» A CHANGE which cannot happen backward, that is, it cannot be reversed is called an irreversible change....DIFFERENCE between PHYSICAL and chemical changes.Physical changes Chemical changesMostly reversible changes. All are irreversible changes.A new SUBSTANCE is not FORMED. A new substance is formed

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