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 The particles of colloid are separated by a centrifugation method. |
Reason Colloids are big enough to scatter a beam of light passing through it. |
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: B
Solution :
[b]Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion. The particles of colloid are too small that can pass through filter paper. |
Hence, centrifugation technique is used to separate them. |
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