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Vinegar and Citric Acid

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

4
5
6
3

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Vinegar and Citric Acid
In koji process for the fermentation to produce citric acid,

Fungal mycelium grows through out the solution in a deep tank
A. niger is used with solid substrate as sweet potato
both (a) and (b)
A. niger floats on the surface of solution

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

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

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Vinegar and Citric Acid
Cider vinegar is produced from

ethanol
ale
fruit juices
malted grain

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

6
5
4
3

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Vinegar and Citric Acid
Malt vinegar is produced from

ale
ethanol
fruit juices
malted grain

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