what is chemical change??

A chemical change is the one in which the formation of one or more new substances takes place. The new substance formed has different chemical composition and properties from that of the substance from which it is formed. For example, when lime is added to water, the temperature of water increases and water almost starts boiling. A substance called slaked lime is produced during this change. Hence, it is a chemical change. The following chemical equation can be used to represent the chemical change.

CaO + H2O โ†’ Ca(OH)2 + Energy

Lime Water Slaked lime

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the changes that involvs a change in the composition and chemical properties of a subtance are called chemical change....ex...ripenening of fruits, cooking of food etc..

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The change in which new substance is formed and cannot be again formed to its original form is known as chemical change.

Eg- burning of paper, wood, etc.; digestion; photosynthesis.; etc..

Hope it helps and a thumbs up plz!!!!!

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kartik u r wrong but i don't give u disagree {thumbs down}

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