Which of the following is used for the preparation of colloids ?
Option: 1 Ostwald Process
Option: 2 Ostwald Process
Option: 3 Van Arkel Method
Option: 4 Van Arkel Method
Option: 5 Bredig's Arc Method
Option: 6 Bredig's Arc Method
Option: 7 Mond Process
Option: 8 Mond Process