science
Grade-5
Easy

Question

Which one of the following is not an example of chemical change:

  1. Burning of cotton
  2. Melting of an ice-cream 
  3. Reaction with vinegar
  4. Acid-base reaction

hintHint:

Melting of an ice-cream

The correct answer is: Melting of an ice-cream

it is a physical reaction as it is reversible.

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