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Introduction to Acids and Bases

Acetic acid i...

Question

Acetic acid is used for preservation of foods.

A

True

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B

False

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Solution

The correct option is A True
Acetic acid (vinegar) is a popular preservative as it inhibits the growth of bacteria, yeast, and mould. It is used to preserve food for a long period and the method is known as preservation.

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Q. Which of the following acids is used in preservation of food?

Q. Acetic acid is a disinfectant and is used for the preservation of zoological samples.

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. Common salt is used in food preservation as it is acidic in nature.

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