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Blow holes of steel are removed by addin...

Blow holes of steel are removed by adding:

A

C

B

Ni

C

Sand

D

Spiegeleisen

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The correct Answer is:
D
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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
  1. Which of the following metals can deposit Cu from CuSO4 solution?

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  2. Invar steel, which is very little affected by temperature changes, con...

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  3. Blow holes of steel are removed by adding:

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  4. Which statement is not correct

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  5. The density of transition metals in a series:

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  6. Each transition series contains:

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  7. The transition elements are paramagnetic due to the presence of ….. .

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  8. Transition metals in their compounds show:

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  9. Transition metals and their oxides are used in industrial processes as...

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  10. Which statement is incorrect about transiton elements?

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  11. The elements with differentiating electron entering into (d-orbital ) ...

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  12. In the first transition series, the differentiating electrons enters:

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  13. The ionisation potential of transition metals is than p-block element...

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  14. The 3d-transition series contains elements from atomic number:

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  15. Group 11 or IB elements are commonly known

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  16. All metal chlorides are soluble in water except those of :

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  17. The correct formula for diamine silver (I) chloride is :

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  18. The solubility of silver bromide in hypo solution is due to the format...

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  19. Which one is more soluble in water ?

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  20. An aqueous solution of CuSO4 and NH4OH gives a deep blue complex of :

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