Question

Differences between physical change and chemical change

Answer 1

Physical changes are generally reversible whereas chemical changes are not ,,

Physical changes retain the property of their constituents whereas chemical changes do not.....

Physical changes do not form a new

Substance

Answer 2

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$\tt \red{Physical \: Change - }$

• Physical changes only change the looks of a substance, not its chemical composition.
• Physical changes produce no energy.
• For example: Change of ice into water.

$\tt \orange{Chemical \: Change - }$

• Chemical changes cause a substance to vary into a completely different substance with a replacement formula.
• Chemical changes are also referred as chemical reactions where left side of reaction is reactant and right side of reaction is known as product. The arrow represent the direction of reaction.
• Chemical changes produce energy generally in the form of heat, light or sound.
• For example: Change of burned wood into ash.

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