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How milk is changed into curd, if a few ...

How milk is changed into curd, if a few drops of curd is added to it? What is the reason for its sourness ?

Text Solution

Verified by Experts

The change is brought by Lactobacillus lactis, a bacterium present in the curd.The sourness is due to the formation of lactic acid.
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Knowledge Check

  • Milk can be preserved by adding a few drops of

    A
    Acetaldehyde
    B
    Formaldehyde
    C
    Acetic acid
    D
    Formic acid

  • The sourness of curd is due to ……………….

    A
    acetic acid
    B
    galactic acid
    C
    lactic acid
    D
    lactone

  • Milk can be preserved by adding a few drops of ......

    A
    HCOOH
    B
    HCHO
    C
    `CH_3COOH`
    D
    `CH_3CHO`

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