220. Which of the following statements are always correct?
The electrical conductivity of equimolar solutions of electrolytes is equal to each other.
The electrical conductivity of electrolyte solutions depends on the degree of ionic dissociation.
The electrical conductivity of electrolyte solutions depends on the number of ions in the solution.
By passing electric current through electrolyte solutions, no change occurs in their chemical composition.
(1) 1 (2) 2 (3) 3 (4) 4
\textbf{220.} Which of the following statements are always correct?
\begin{itemize}
\item The electrical conductivity of equimolar solutions of electrolytes is equal to each other.
\item The electrical conductivity of electrolyte solutions depends on the degree of ionic dissociation.
\item The electrical conductivity of electrolyte solutions depends on the number of ions in the solution.
\item By passing electric current through electrolyte solutions, no change occurs in their chemical composition.
\end{itemize}
\begin{center}
(1) 1 \qquad (2) 2 \qquad (3) 3 \qquad (4) 4
\end{center}