Acetone may be obtained from starch by the action of:

  • A
    Acid
  • B
    Bacteria
  • C
    Oxidizing agent
  • D
    None of these

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Choose the correct matching pair for the following table:
Column-$I$ (Microbe)Column-$II$ (Product)
$(I)$ Aspergillus niger$(p)$ Lactic acid
$(II)$ Acetobacter aceti$(q)$ Acetic acid
$(III)$ Lactobacillus$(r)$ Citric acid
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Which acid is produced by the bacterium $Acetobacter$ $aceti$?

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