Table 2.2 $\mathrm { NaOH } \rightleftharpoons \mathrm { Na } ^ { + } + \mathrm { OH } ^ { - }$ is a base
$\mathrm { HF } \rightleftharpoons \mathrm { H } ^ { + } + \mathrm { F } ^ { - }$ is an acid

$\mathrm { MgSO } _ { 4 } \rightleftharpoons \mathrm { Mg } ^ { 2 + } + \mathrm { SO } _ { 4 } ^ { 2 - }$ is a salt

$\mathrm { KH } _ { 2 } \mathrm { PO } _ { 4 } \rightleftharpoons \mathrm { K } ^ { + } + \mathrm { H } _ { 2 } \mathrm { PO } _ { 4 } ^ { - }$ is an acid

$\mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } \rightleftharpoons 2 \mathrm { H } ^ { + } + \mathrm { SO } _ { 4 } ^ { 2 - }$ is an acid
-Which of the following statements about the reactions in Table 2.2 is FALSE?