Which of the following is an $\text{Incorrect}$ statement?
- AAbove $373 \ K$,$Na_2CO_3 \cdot 10H_2O$ is converted into anhydrous form.
- BHemihydrate of $CaSO_4$ is known as Gypsum.
- C$NaHCO_3$ acts as a weak antiseptic for skin infections.
- DAll of these.
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