Question

Which of the following gases is used in the storage of fat and oil containing foods for a long time?​

Answer 1

A method for preventing refined edible oils and fats from deteriorating during transportation and/or storage thereof over a prolonged period of time, wherein the refined edible oils and fats are stored and/or transported at all times under an atmosphere rich in nitrogen gas.

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Answer 2

Answer:

Helium or nitrogen gases can be used for storage of a fresh sample of an oil for a long time. Hence, the correct option is the option (D). Note: Due to the rancidification process of oils and fats, you will observe change in colour, smell and test.