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State Four Differences Between Physical and Chemical Changes. - Chemistry

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ConceptDifferentiating Between Physical and Chemical Change.

Question

State four differences between physical and chemical changes.

Solution

Physical change Chemical change
  1. No new substances with new properties are formed.
  2. It can be reversed by simple physical methods.
  3. It is temporary change.
  4. Energy is neither needed nor produced.
  1. New substances with new properties are formed.
  2. Change cannot be reversed by simple physical methods.
  3. It is permanent change.
  4. Energy is either needed or evolved.
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Solution State Four Differences Between Physical and Chemical Changes. Concept: Differentiating Between Physical and Chemical Change..
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