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Thread: acid

  1. #1
    matilda Guest

    Default acid

    Hello all, How are you?
    I was studying english grammer and I found s.th strange.
    It was written that (acid) is countable and can take (plural s)
    Is that correct?Because I always thought that all liquids are noncountable


    Regards,
    matilde

  2. #2
    vil is offline VIP Member
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    Default Re: acid

    Hi Matilda,

    acid (n) = [uncountable and countable] a chemical substance that has a pH of less than 7.

    Strong acids can burn holes in material or damage your skin:

    Regards,

    V

  3. #3
    matilda Guest

    Default Re: acid

    thank you my dear friend

    That was really usefull

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