Desalination of sea water can be done by
A. Osmosis
B. Reverse osmosis
C. Filtration
D. Diffusion
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Desalination process ………………..
(c) is the removal of salt from sea water
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Write short note on: Desalination
1. Sea water contains lot of salt, so it is not useful for drinking or irrigation purpose. Therefore, it is necessary to convert the sea water into fresh water. 2. Desalination is...
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Of all the minerals dissolved in sea water Sodium Chloride or common salt constitutes
About 80 % they all together constitutes. Answer-: option D
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Of all the minerals dissolved in sea water Sodium Chloride or common salt constitutes
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‘Service’ refers A) Nature of work done B) Amount of work done C) Cost of work done D) No livelihood earned
A) Nature of work done
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Fill in the blanks : Fishes showing migrations from sea water to fresh water for spawning are termed ………., fishes while those migrating form fresh wat
Correct Answer - Catadromous , anadromous
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The sea mariner who discovered the sea route to Indian in 1498 was:
C) Vasco Da Gama
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Italy is a peninsular country. Which sea surrounds country on three sides? A) The Caspian Sea
C) The Mediterranean Sea
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The principle involved in desalination A) Diffusion
B) Reverse Osmosis
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The salt content of sea water is
Correct option is C) 3.5%
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