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Stoichiometry

Fermentation ...

Question

Fermentation of cider, wine or malt produces vinegar, which is used for preserving onions, in pickles and in flavouring food. It is essentially :

A

citric acid

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B

acetic acid

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C

sodium carbonate

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D

lime in soda

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Solution

The correct option is A acetic acid
Vinegar is nothing but acetic acid
$C H_{3} C O O H$

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Similar questions

Q. Vinegar used as preservative for pickles, is _____ % aqueous solution of acetic acid.

Vinegar is an acid with its key ingredient, acetic acid. It is widely used for food preservation and cooking. The acetic concentration for table vinegar is typically

5 %

whereas higher concentration upto

18 %

is used as preservative. The word "vinegar" is derived from vin aigre, meaning "sour wine".

A table vinegar sample contains

5 %

(mass/mass) of acetic acid.

10 m L

of the above sample should be diluted to prepare

0.10 M

acetic acid solution. (density

1.05 g m L^{- 1}

, Molar mass of

C H_{3} C O O H - 60.0 g m o l^{- 1}

Q. Acetic acid is used for preservation of foods.

Q. Common preservative used in jam and pickles is ________

Q. is a process of preserving food using salt and vinegar.

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