Multiple choice

Which of the following is a heterogeneous mixture?

  1. Mixture of copper sulphate and water

  2. Mixture of potassium permanganate and water

  3. Vinegar

  4. Mixture of chalk powder and water
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mixture of copper sulphate and water, mixture of potassium permanganate and water and vinegar (mixture of acetic acid and water) are homogeneous mixtures as they have uniform compositions and the components of these mixtures are not visible to the naked eye or even under a microscope. 

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