Question

Q30. Read the given lines and answer the questions below :

In most irreversible changes there is a change in internal structure. The molecules that make up the
substance ,undergo changes to form new substances. In some irreversible changes the internal
structure of the substances does not change.
a. Give one example of an irreversible change where the internal structure of the substances does not change​

Answer 1

Answer:

burning of paper

Explanation:

the matter inside the paper gets destroyed and its components also separate from each other.

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