Alum stops bleeding in minor cuts because of A. Solvation B. Emulsion C. Dialysis D. Coagulation

The correct answer is D. Coagulation.

Alum is a type of salt that can be used to stop bleeding in minor cuts. It does this by causing the blood to coagulate, or clot. When a blood vessel is cut, the blood cells start to stick together and form a clot. This clot helps to

Solvation is the process of dissolving a substance in a solvent. Emulsion is a mixture of two liquids that do not normally mix, such as oil and water. Dialysis is a process that removes waste products from the blood.

Alum is not used for any of these purposes.