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Question
1. Which gas is used to keep the cakes sandwichessalads etc to remain fresh and
2. Which gas is used to keep food fresh in a refrigerator ?
2. Which gas is used to keep food fresh in a refrigerator ?
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Solution
Nitrogen gas (N2) gas is used to keep the cakes, sandwiches, salads etc to remain fresh.
Chloroflorocarbon (CFCs) gas is used to keep food fresh in a refrigerator.
Chloroflorocarbon (CFCs) gas is used to keep food fresh in a refrigerator.
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