| Assertion : Colloidal particles show Brownian movement. |
| Reason : Brownian movement arises because of the impact of the molecules of the dispersion medium with the colloidal particles. |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
Both assertion and reason are true and reason is the correct explanation of assertion. The impact of the molecules of the dispersion medium on the colloidal particle are unequal leading to zig-zag motion i.e., Brownian movement.
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