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Vinegar and Citric Acid

Vinegar and Citric Acid
Malt vinegar is produced from

fruit juices
ethanol
ale
malted grain

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Vinegar and Citric Acid
Cider vinegar is produced from

ale
fruit juices
ethanol
malted grain

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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?

5
3
4
6

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

Beet molasses
Starch hydrolysate
Sucrose
All of these

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

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

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Vinegar and Citric Acid
Which of the following microorganism is used for the production of citric acid?

Lactobacillus bulgaricus
Streptococcus lactis
Saccharomyces cerevisiae
Aspergillus niger

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