Which of the following statements is not correct?

Options

A. All metal carbonates react with acid to give a salt, water and carbon dioxide
B. All metal oxides react with water to give salt and acid
C. Some metals react with acids to give salt and hydrogen
D. Some non-metal oxides react with water to form an acid

Answer

B

Explanation

Most metal oxides are insoluble in water but some of these (e.g `Na_(2)O,CaO)` dissolve in water to from alkalies not salt and acid e.g.
`Na_(2)O(s)+H_(2)O(l)rarr2NaOH(aq)`