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What are alloys? Name an important alloy...

What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.

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(i) Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element. (ii) What is lanthanoid contraction? Name an important alloy which contains some of the lanthanoid metals.

What are alloys ? Name two alloys.

Name one important ore and alloy copper.

SHARAM PUBLICATION-D AND F BLOCK ELEMENTS-EXERCISE
  1. Which metals form the alloy brass ?

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  2. When Ethylene reacts with alkaline solution of KMnO4 a dihydric alcoho...

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  3. What are alloys? Name an important alloy which contains some of the la...

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  4. Write the formula of one complex ion of Cu and Ni.

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  5. Why do transition elements exhibit variable oxidation states ?

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  6. Fill in the blanks : The first transition series starts with the eleme...

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  7. Fill in the blanks : The only metal which has a positive standard redu...

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  8. Fill in the blanks : The transition metals in which vacant spaces are ...

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  9. Fill in the blanks : f- block elements are known as ……………

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  10. Fill in the blanks :Philosopher's Wool is the name of the compound ………...

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  11. In 1st row transition series the highest oxidation number is shown by

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  12. Fill in the blanks :The reaction in which the same substance undergoes...

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  13. Name the metal present in haemoglobin

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  14. Fill in the blanks :The d- block elements are known as …………

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  15. Fill in the blanks :The catalyst used in Haber 's process of manufactu...

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  16. In the 1st row transition element , the metal that forms colourless co...

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  17. Which metal is commonly used for galvanising iron?

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  18. Fill in the blanks :The electronic configuration of Cu^+ is ……………..

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  19. Discuss the general characteristics properties of transition elements.

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  20. What are alloys ? Name two alloys.

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