Multiple choice

Which of the following pairs of the process involved and the change happened is correctly matched?

  1. Tearing of paper : Chemical change

  2. Melting of ice : Chemical change

  3. Curdling of milk : Physico-chemical change

  4. Rusting of iron : Physical change
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Curdling is the breaking of an emulsion or colloid into large parts of different composition through the physico-chemical processes of flocculation, creaming and coalescence.

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