CBSE Class 9 Chemistry Is Matter Around Us Pure Online Test Set A

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Question 1

Question

Four samples A, B, C, D are prepared by adding a pinch of copper sulphate, a spatula of copper sulphate, a spatula of chalk powder, and some milk, to water respectively.

Which of these will exhibit the Tyndall effect?

Answer

D

A and B

A and D

B and C