Question

Which one of the following processes require fractional distillation:-
X - separation of components of liquid air
Y -separation of crude petroleum into useful components like LPG,gasoline
Z - separation of kerosene oil and water
1 X,Y,Z

2 X,Y

3 X,Z

4 Y,Z

​

Answer 1

Answer:

I think .

Step-by-step explanation:

all XYZ is the answer