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Ashley Sen from Chettinad Vidyashram, Chennai

Subject :NSO Class : Class 3

Which of the following methods is incorrect to preserve food materials?

(A) Keeping the food at low temperature

(B) Keeping the food in airtight container

(D) Keeping it in water and high temperature.

how can it be

Ans 1:

Amitava Pushilal from International Schooling, Singapore