NCERT Exemplar Solutions
Class 10 - Science - CHAPTER 2: Acids, Bases and Salts - Multiple Choice Questions
Question 24

Question.  24

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

Detailed Answer with Explanation:

Steps: Statement (b) is incorrect: metal oxides generally react with water to give metal hydroxides (bases), not salt and acid. For example, CaO + H₂O → Ca(OH)₂.

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