Q. What is the pH of the medium when molasses is used as substrate for the production of citric acid?

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Q. In koji process for the fermentation to produce citric acid,

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Q. In liquid surface culture process for the fermentation to produce citric acid,

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Q. What is the pH of the medium when sucrose is used as substrate for the production of citric acid?

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Q. Vinegar production consists of

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Q. During recovery step of citric acid, calcium citrate formed is treated with which of the following acid to precipitate calcium?

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Q. Alegar is a type of vinegar produced from

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Q. Which substrate is used in the fermentation of citric acid?

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Q. In submerged process for the fermentation to produce citric acid,

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Q. Malt vinegar is produced from

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Q. Ethanol is oxidized to acetic acid aerobically using

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Q. Cider vinegar is produced from

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Q. High ethanol concentration

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Q. To maintain aseptic conditions during fermentation which of the following is needed?

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Q. Which of the following is used for agitation in a fermentor?

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Q. What are the fermentation conditions for the ethanol production?

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Q. Ethanol is produced by

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Q. Which of the following is used for aeration in a fermentor?

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Q. What are different substrates used for ethanol production?

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Q. Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

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