defence exam Indian Army Nursing Assistant Mock Test Series 2025 General Science Chemistry Chemical Reaction
The following steps are involved in a dairy plant to prepare clarified butter/Ghee.
A. Milk is pasteurised
B. Then milk is set into curd
C. Curd is churned in centrifuge to separate butter
D. Butter is heated to get clarified butter (Ghee)
E. Filtered and packed
Which of the following above steps are physical changes and chemical changes?
1
Physical changes - A, C, D, E ; chemical changes - B
2
Physical changes - C, D, E ; chemical changes - A, B
3
Physical changes - C, E ; chemical changes-A, B, D
4
Physical changes - A, C, E ; chemical changes - B, D