Which of the following process is responsible for the formation of delta at a place where rivers meet the sea?
(i) Emulsification
(ii) Colloid formation
(iii) Coagulation
(iv) Peptisation
Which of the following process is responsible for the formation of delta at a place where rivers meet the sea?
(i) Emulsification
(ii) Colloid formation
(iii) Coagulation
(iv) Peptisation
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1 Answer
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This is a Multiple Choice Type Questions as classified in NCERT Exemplar
Ans: Correct option is iii.
River water is a colloidal solution of clay. Sea water contains a number of electrolytes. When river water meets the sea water, the electrolytes present in sea water coagulate the colloidal solution of clay resulting in its deposition with the formation of delta hence the answeris (iii).
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