121
1
फिटकरी रगड़ने से खून का बहना रुक जाता है, क्यों?
Bleeding stops by rubbing alum, why?
Answers
Answered by
2
Answer:
Explanation:
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.
Answered by
1
Answer:
no,this is not true.
Explanation:
bleeding doesn't stops by rubbing iron.
Similar questions