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7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    Which of the following substances react with each other to form salt and water only?

    A)  Dilute sodium hydroxide and dilute hydrochloric acid

    B)  Magnesium and dilute hydrochloric acid

    C)  Copper sulphate and dilute sulphuric acid

    D)  Washing soda solution in water and dilute nitric acid

    Correct Answer: A

    Solution :

    Sodium hydroxide is a base and it reacts with hydrochloric acid to form sodium chloride (salt) and water. It is a neutralization reaction.


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