Question

Difference between chemical and physical change I will mark brainliest if answers

Answer 1

Answer:

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In a chemical change, no new substance is formed

In a physical change, it is always accompanied by one more new substance

Answer 2

Answer:

1. When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged.When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.
2. Physical change is a temporary change.A chemical change is a permanent change
3. A Physical change affects only physical properties i.e. shape, size, etc.Chemical change both physical and chemical properties of the substance including its composition
4. In a physical change, no new substance is formed.A chemical change is always accompanied by one or more new substance(s).
5. Some examples of physical change are freezing of water, melting of wax, boiling of water, etc.A few examples of chemical change are digestion of food, burning of coal, rusting, etc.

Explanation:

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