Question

what is chemical change​

Answer 1

Answer:

when a substance combines with another to form a new substance and also it's property change called chemical change

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Answer 2

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➤ Chemical change :-

☛ A permanent change ,in which the physical and chemical properties of matter changes and new substance are formed which do not get back into their original form by reversing the reaction is called chemical change.

For example :- The burning of coal or wood, the curdling of milk, forming of rust on iron etc.