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Vinegar and Citric Acid

Vinegar and Citric Acid
Malt vinegar is produced from

fruit juices
ale
malted grain
ethanol

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Vinegar and Citric Acid
Cider vinegar is produced from

ethanol
fruit juices
malted grain
ale

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

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

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Vinegar and Citric Acid
In liquid surface culture process for the fermentation to produce citric acid,

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

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Vinegar and Citric Acid
During recovery step of citric acid, calcium citrate formed is treated with which of the following acid to precipitate calcium?

H2SO4
HNO3
None of these
HCl

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

malted grain
fruit juices
ethanol
ale

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