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In a classroom discussion Ramu said that...

In a classroom discussion Ramu said that ocean is a store house of elements. Is this argument true?Justify your answer.

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Ramu.s argument is true. Óceans are treasure house of many metals. Many metäls in compounded state are ayailable in sea water. The most, common among them are sodium, potassium, calctum, miagnesium, etc. Sea shells aríd other deposits in sea form yet another source of metals. Sea weeds are the important source of iodine. The sea floor is rich in nickel, çopper and zithc.
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. While adding the raw materials into the Blast furnace for the extracti...

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  2. Given below is a symbolic parktng zone. Select stitable term from thos...

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  3. In a classroom discussion Ramu said that ocean is a store house of ele...

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  4. In a classroom discussion Raju said that silver ores and native gold h...

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  5. Froth floatation process is convenient for the concentration of sulphi...

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  6. A.Name the metallurgical refining technique used for purification of N...

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  7. a. 'The ore mixed with coke and limestone is introduced into the blast...

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  8. How does NaCN act as a depressant in preventing ZnS from forming the ...

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  9. Cinnabar (HgS) and galena (PbS) on roasting. often given their respect...

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  10. Although thermodynamically feasible,in practice, magnesium metal is no...

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  11. In general which metals do you expect.to occur in the native state in ...

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  12. Why is it advantageous to roast a sulphide ore before reduction?

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  13. A, white powder (A) whén heated gave off a coloúrless gas (B) which tu...

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  14. Describe the priniciple of extraction of each of the following i)Sn fr...

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  15. Give one important ore of aluminium?

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  16. Name the four, most abundant elements in the earth's crust? Arrange.th...

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  17. Copper and silver lie below in the electrochemical series and yet they...

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  18. Name,the method used for refining of (i) Nićkel (ii) Zireonium

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  19. A sample of galena (PbS) is contaminated with zinc blende (ZnS). Name ...

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  20. Metal sulphides occur mainly in rocksand metal halides in lakes and se...

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