220- How many of the following statements are correct?
Dissolving every salt in water is accompanied by absorption of heat and cooling of the solution.
Increasing pressure, contrary to its effect on the solubility of gases, increases the solubility of gases with temperature.
Dissolving gases such as oxygen and nitrogen in water, unlike dissolving salts in water, is accompanied by a decrease in entropy.
Increasing pressure, contrary to its effect on the solubility of gases, increases the solubility of some salts such as sodium nitrates with temperature.
(1) 1
(2) 2
(3) 3
(4) 4
%% Page 23 120-CPage 22
\textbf{220-} How many of the following statements are correct?
\begin{itemize}
\item Dissolving every salt in water is accompanied by absorption of heat and cooling of the solution.
\item Increasing pressure, contrary to its effect on the solubility of gases, increases the solubility of gases with temperature.
\item Dissolving gases such as oxygen and nitrogen in water, unlike dissolving salts in water, is accompanied by a decrease in entropy.
\item Increasing pressure, contrary to its effect on the solubility of gases, increases the solubility of some salts such as sodium nitrates with temperature.
\end{itemize}
\begin{tabular}{llll}
(1) 1 & (2) 2 & (3) 3 & (4) 4
\end{tabular}
%% Page 23
\begin{center}
\textbf{120-C} \hfill \textbf{Page 22}
\end{center}