Multiple choice Pasteurisation is the process in which milk is heated to 63°C for 30 minutes 40 minutes 50 minutes 15 minutes Reveal answer Fill a bubble to check yourself A Correct answer Explanation Pasteurization is a heat-treatment process used to kill harmful bacteria in milk. The standard low-temperature long-time (LTLT) method involves heating milk to 63 degrees Celsius for 30 minutes.