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What happens if we add copper dust into ...

What happens if we add copper dust into Ferrous sulphate solution ?

A

`1`. Copper displaces Ferrous.

B

`2`. Copper does not displace Ferrous.

C

`3`. We cannot say anything

D

`4`. Copper dissolves in Ferrous sulphate solution .

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Much of the world supply of planinam group metal Le, desived from the residues recovered from the electrolytic retining of copper and nickyl. The residues when heated with aquaria the sold, and pd go in to solution. This is filtered off and to the filiate on adding Ferrous sphate solution gold is preciated the platinum and palladium remain in solution. The role of Ferrous sulphate in the recipitation of gold is

VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
  1. How can you say plastic does not have property of malleability ?

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  2. There is substance ‘X’. After burning, it is.changed into powder. If w...

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  3. What happens if we add copper dust into Ferrous sulphate solution ?

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  4. Guess the reason why does Ferrous (Iron) does not displace Zinc from Z...

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  5. Which gas is liberated when, acids react with metals ? Give one exampl...

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  6. generally do not react with water.

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  7. metal get green coating when exposed to air.

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  8. Among which is does not react with air?

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  9. How do you prove that iron is more reactive than copper?

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  10. metal gets rust when exposed to air.

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  11. The gas which produces pop sound.

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  12. When zinc granules are added to copper sulphate is deposited at the b...

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  13. Why do silver objects and jewellery become black after some time ?

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  14. The given apparatus is required to test for sonority.

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  15. The simple test for sonority is

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  16. To test malleability of a substance, the given apparatus is required

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  17. What are the materials required to test a metal for electric conductiv...

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  18. What precautions do you take while burning sulphur ?

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  19. If you burn sulphur in your lab, it gives

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  20. Which of the following is used to test for acidity of a substance ?

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