12th Class Chemistry Surface Chemistry / सतह रसायन Question Bank 12th CBSE Chemistry Surface Chemistry

  • question_answer
    Delta is generally formed where river meets the ocean. How will you account for it?

    Answer:

                    River water is generally muddy and carries along with colloidal dust particles which are charged in nature. Sea water contains a large number of electrolytes. When the river comes in contact with the sea water, the colloidal particles get their charge neutralized by the oppositely charged ions present in sea water and are coagulated. This ultimately results a hard solid mass known as delta.


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