Which of the following statements is not correct?
(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

AcademicChemistryNCERTClass 10

Correct Answer: (b) All metal oxides react with water to give salt and acid

Explanation: Metal oxides are basic in nature hence they give an alkaline solution when dissolved in water.

Metal oxide + Water→Base

MgO+H2O→Mg(OH)2
Hence, option (b) is the incorrect statement.
raja
Updated on 10-Oct-2022 13:27:13

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