Question

distinguish between chemical reaction and physical reaction​

Answer 1

Answer:

Physical Rxn

● In a physical change, the molecules are rearranged while their actual composition remains same.

●Some example of physical change are freezing of water, melting of wax, boiling of water, etc.

Chemical Rxn

● In a chemical change, the molecular composition of a substance completely changes and a new substance is formed.

● Example -

1.The rusting of iron.

2.Combustion (burning) of wood.

3.The metabolism of food in the body.

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Answer 2

Answer:

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Explanation:

CHEMICAL CHANGE:

• it is done with chemicals
• it's reaction produces new product
• some changes will occur

PhYSICAL CHANGE:

• no new product fromed
• physical changes may occur