Question

chemical changes are irreversible. justfy the statement by giving two examples​

Answer 1

Answer:

this is because chemical changes are permanent changes caused by evolution or absorption of energy and hence result in a change which is internal and hence irreversible

example: cooking of food,ripening of grapes, souring of milk..etc.

hope it helped you....

Answer 2

Answer:

Changes in which new substance is formed and cannot be reversed (irreversible change) is called chemical change. There is a change in chemical properties.

Example- burning of wood, cooking food, digestion of food etc..

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