11th Class Chemistry States of Matter Question Bank 11th CBSE Chemistry States of Matter

  • question_answer Tea or coffee is sipped from a saucer when it is hot.

    Answer:

                    Evaporation causes cooling and its rate increases with the increase in surface area. Since a saucer has a large surface, the evaporation of tea or coffee is expected to be quite fast. As a result, both of them get cooled and can be sipped comfortably.


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