4) A change in which new substances is formed is called a _______ change

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Solution

Chemical change involves the change in the chemical composition of the reactants by the breaking of old bonds to form new bonds (products). The new substance formed after the change has different chemical properties and they cannot be converted to their original form.
For example - Souring of milk leads to the formation of sour lactic acid due to the fermentation process.
Final answer - A change in which new substances are formed is called a chemical change

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Similar questions

1.	A change that can be reversed	.....................
2.	A change that cannot be reversed	.....................
3.	A change where no new substance is formed	.....................
4.	A change where a new substance is formed	.....................

In a ____________ change, no new substance is formed.

A change in which no new substance is formed is known as ________.

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