The pure form of sodium hydroxide is solid. Compared to the pure form, the aqueous form of the liquid is actually many times more volatile. For this very reason, it is advised that the bottles used to keep samples of NaOH be kept closed.
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Answer:
CuO
Explanation:
Copper(II) oxide is a metal oxide it has the formula CuO. It has formula of copper(2+). Cupric oxide, or copper (II) oxide