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#Question id: 366


What is the pH of a solution with a hydroxyl ion (OH-) concentration of 10-10 M?

#XL - S Microbiology
  1. pH 2

  2. pH 4

  3. pH 10

  4. pH 12


Answer:- Option(s): 2


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#Question id: 4579

#XL - S Microbiology

About which of these did Darwin have a poor understanding?

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#XL - T Zoology

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#XL - T Zoology

Rods exposed to light will ________.

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