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A ______ is a process in which the physical and chemical properties of the original substances change as new substances are formed.

fill in the blank with the answer.

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User Nico AD
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chemical change - Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.
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User Anouar Mokhtari
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Answer:

chemical change

Step-by-step explanation:

In chemical change , considerable amount of heat is used , hence a change in substance formed

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User Tyrike
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