Choose the correct statements about coagulation process.

A. Coagulation makes smaller colloids to adhere to each other to form large floc particles

B. Colloids are continually involved in Brownian moment.

C. Colloids are stable because of their surface charge.

D. Coagulants are preferably trivalent cations.

E. Coagulants are soluble in neutral pH.

Choose the most appropriate answer from the options given below: