214. The solution of which of the following compounds below turns pH paper blue, and among these compounds (with equal concentrations and equal temperatures), which compound has electrical conductivity closest to the electrical conductivity of potassium chloride solution? Alum Methyl amine Ethanol Soda ash (1) Alum, methyl amine (2) Alum, methyl amine (3) methyl amine, ethanol (4) methyl amine, ethanol
\textbf{214.} The solution of which of the following compounds below turns pH paper blue, and among these compounds (with equal concentrations and equal temperatures), which compound has electrical conductivity closest to the electrical conductivity of potassium chloride solution?
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Alum \hspace{1cm} Methyl amine \hspace{1cm} Ethanol \hspace{1cm} Soda ash \\
(1) Alum, methyl amine \hspace{1cm} (2) Alum, methyl amine \\
(3) methyl amine, ethanol \hspace{1cm} (4) methyl amine, ethanol
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