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Vinegar and Citric Acid

Vinegar and Citric Acid
Sugar content of the fermentation medium for citric acid is maintained at

15-20%
20-25 %
10-15%
25-30 %

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Vinegar and Citric Acid
Which of the following nitrogen sources is added in the fermentation medium of citric acid production?

Urea
Peptone
Both (a) and (b)
Ammonium salt

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Vinegar and Citric Acid
Which substrate is used in the fermentation of citric acid?

Sucrose
All of these
Beet molasses
Starch hydrolysate

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Vinegar and Citric Acid
What is the pH of the medium when molasses is used as substrate for the production of citric acid?

4
6
5
3

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Vinegar and Citric Acid
Cider vinegar is produced from

malted grain
ethanol
fruit juices
ale

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Vinegar and Citric Acid
Alegar is a type of vinegar produced from

ale
malted grain
ethanol
fruit juices

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