| Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below |
| Assertion Colloidal particles do not show Tyndall effect. |
| Reason Colloidal solutions are stable and the colloidal particles do not settle down. |
A) Both A and R are true and R is correct explanation of the A.
B) Both A and R are true but R is not the correct explanation of the A.
C) A is true but R is false.
D) A is false but R is true.
Correct Answer: D
Solution :
[d] Assertion is incorrect but Reason is correct. Colloidal particles are bigger in size and scatter a beam of light. Hence, they show Tyndall effect.
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