Question

Bleeding from a cut stops when alum is rubbed over it.

give reson for one mark....​

Answer 1

Answer:

Blood is a colloidal sol. When we rub the injured part with moist alum then coagulation of blood takes place. Hence, main reason is coagulation, which stops the bleeding.

Explanation:

Answer 2

Answer:

blooding promise stops cut stop but when is our it then you do cotton and that all use this body bleeding from but this at all and any any any cloth you will tie tie very e