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F block elements are known as...

F block elements are known as

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inner transition elements
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PRADEEP-D- AND F-BLOCK ELEMENTS-TEST YOUR GRIP( FILL IN THE BLANKS)
  1. First synthetic elements is

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  2. Chromite ore has the formula "…....................".

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  3. When K(2)Cr(2)O(7) is heated to white heat, the products formed are "...

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  4. When KOH is added to K(2)Cr(2)O(7) solution, the coloure changes from...

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  5. overset(V) (Cr) O(4)^(3-) in acidic medium undergoes disproportiona...

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  6. Reddish brown vapours formed when a chloride is heatedwith K(2)Cr(2)O(...

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  7. Acidified K(2)Cr(2)O(7) on reaction with hydrogen peroxide give deep b...

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  8. Yellow coloure of CrO(4)^(2-)O(7) or orange coloure of Cr(2)O(7)^(2-) ...

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  9. The powdered pyrolusite ore when fused with KOH in presence of air for...

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  10. MnO(4)^(2-) in acidic solution undergoes disportionation to give "…......

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  11. When heated strongly , KMnO(4) decomposes to form "…....................

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  12. Prussian blue is formed when

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  13. Which compound is formed when excess KCN is added to aqueous solution ...

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  14. (NH(4))(2)Cr(2)O(7) on heating gives

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  15. F block elements are known as

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  16. The electronic configuration of the fourth transition element is

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  17. The basic strength "…................" as we proceed fromLa(OH)(3) to ...

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  18. Mischmetal contains about "…............" percent of lanthanoids and i...

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  19. The most common mineral containing lanthanoids is.......

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  20. Philospher's wool is the name given to the compound"…................"...

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