1.

Bleeding of blood is stopped due to

Answer»

the COAGULATION of BLOOD by appplying `FeCl_3` and blood vessel is SEALED 
the coagulation of blood by applying Alum and blood vessel is sealed 
blood COMBINES with the `FeCl_3`
blood combines with Alum 

Solution :Blood is -ve COLLOID coagulated by adding alum (or) `FeCl_3`


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