1.

Consider the following:Assertion: (A): Alum is applied to stop bleeding from cuts. Reason (R): Blood is colloidal system containing negatively charged colloidal particles. The Aluminium ions of Alum have high coagulating power so that the blood gets coagulated. Select the correct answer using from the code given below:

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C. (A) is true, but (R) is false
D. (A) is false, but (R) is true.
Answer» B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)


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