The process in which substances undergo change to produce new substances with new properties are-

Chemical changes

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Physical reactions

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It is depend on condition

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None of the above

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Solution

The correct option is A Chemical changes
Chemical changes occur when a substance combines with another to form a new substance.
Physical changes occur when objects or substances undergo a change that does not change their chemical composition.
hence correct option is A

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Similar questions

Characteristic 1: chemical changes are irreversible

Characteristic 2: new substances are formed.

Characteristic 3: properties of new substances are the same as the properties of original substances.

Question 5

Characteristic 1: chemical changes are irreversible

Characteristic 2: new substances are formed.

Characteristic 3: properties of new substances are the same as the properties of original substances.

Which of the following cause a substance to change into an entirely new substance with a new chemical formula?

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