\textbf{227.} Which description of the Haber process is \underline{incorrect}?
(1) $\mathrm{V_2O_5}$ is used as a suitable catalyst.\\
(2) Despite the exothermic nature of the reaction, it is possible to carry it out at high pressure and temperature.\\
(3) One of the main features of the process is removing the product from the reaction system by liquefying it.\\
(4) It is an industrial method for the synthesis of ammonia from the direct reaction of nitrogen and hydrogen gases.
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