10th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank 10th CBSE Science Acids, Bases and Salts

  • question_answer
      What happens when nitric acid is added to an eggshell?   [NCERT Exemplar]

    Answer:

                    Eggshells contain calcium carbonate. When nitric acid is added to it, carbon dioxide gas is evolved. The reaction can be given as CaCO3 + 2HNO3 ® Ca(NO3)2 + H2O + CO2


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