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Quiz

Untitled

Juliana Peixoto 1 question Updated 14 Oct 2019

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Questions in this quiz (1)

  1. 1(UEL) Dentre as substâncias a seguir, a única que propicia diminuição de pH quando
    acrescentada à água é
    1. Aa) NH4NO3
      b) CH4
      c) NH3
      d) NaOH
      e) NaCH3COO
    2. Ba) NH4NO3

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Quiz on Untitled, created by Juliana Peixoto on 14/10/2019.
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Português
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Created on 14 Oct 2019 · updated on 14 Oct 2019
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