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?


                      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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