10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer    Why sodium chloride has high melting point?

    Answer:

                      Sodium chloride consist of sodium ion  and chloride ion These are strongly attracted towards each other to form ionic bond. To break this strong force of attraction between them, a large amount of energy is required. Hence, sodium chloride has high melting point.                                                     (2)


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