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9th Class Science Matter in Our Surroundings Question Bank 9th CBSE Science Matter in Our Surroundings

  • question_answer
      Why steam at 100°C is better for heating purposes than water at 100°C?

    Answer:

                   Steam at 100°C is better for heating purposes than water at 100°C because the energy of 1 kg of steam at 100°C is 22.6 X 105joule which is more than that of 1 kg of water at the same temperature.


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