Question

which of the following is not used as food preservatives 1. salt 2 .sugar 3. methane 4. vinegar​

Answer 1

Answer:

the answer is 3-methane

Answer 2

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Which is not used as food preservatives :-

3. methane

Reason :- Methane is gas that is found in small quantities in Earth's atmosphere. Methane is the simplest hydrocarbon, consisting of one carbon atom and four hydrogen atoms. Methane is a powerful greenhouse gas. Methane is flammable, and is used as a fuel worldwide. It is a principal component of natural gas. Therefore it is not used in food preservation .

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