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16. Cider vinegar is produced from

A. fruit juices
B. malted grain
C. ethanol
D. ale

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17. Ethanol is oxidized to acetic acid aerobically using

A. Acetobacter
B. Gluconobacter
C. both (a) and (b)
D. Lactobacillus

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18. Malt vinegar is produced from

A. fruit juices
B. malted grain
C. ethanol
D. ale

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