differentiate between chemical change and physical change. urgent please.....
Answers
Answer:
Physical Change Chemical Change
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.
Physical change is a temporary change. A chemical change is a permanent change.
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
A physical change involves very little to no absorption of energy. During a chemical reaction, absorption and evolution of energy take place.
Answer:
chemical change new substances are formed and it is Irreversible but in the physical change no new substances are formed and it can be reverse example of chemical change is baking a food example of physical change are melting of ice
Explanation:
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