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Subject :NSO    Class : Class 4

Boiling a liquid and then quickly cooling it down is a popular preservation method. It is called __________.

A Canning
B Pickling
C Pasteurisation
D Freezing


Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
Ya... It is correct the the answer is pasteurization.Canning means to put in a can.Picking means to and salt and oil to pickles.Freezing means to freez anything.

Ans 3:

Class : Class 5
yes answer is pasteurization

Ans 4:

Class : Class 6

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8
Answer is option (D)

Ans 7:

Class : Class 7
4D

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