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  1. PH of human blood is

    2. A.

     7.4
    B.

     6.2
    C.

     9
    D.

     7.5 - 8.0

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    Answer : Option A

    Explanation :

    The pH scale, ranges from 0 (strongly acidic) to 14 (strongly basic or alkaline). A pH of 7.0, in the middle of this scale, is neutral. Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45.

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