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Name any two alloys of copper and Give ...

Name any two alloys of copper and Give its uses .

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NCERT TAMIL-D-BlOCK ELEMENTS-SELF EVALUATION (ANSWER IN ONE OR TWO SENTENCES)
  1. What are d-block elements? Why are they called so?

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  2. What are d-block elements? Why are they called so?

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  3. How d-block elements are classified?

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  4. Why transition elements form complexes ? (OR) why do d-block el...

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  5. Which of the following ions has maximum magnetic moment?

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  6. Why Zn^(2+) salts are white while Ni^(2+) salts are coloured?

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  7. [Ti (H2O)6]^(3+ ) is coloured ,while [Sc(H2O)6]^(3+) is colourless -e...

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  8. A substance is found to have a magnetic moment of 3.9 BM. How many unp...

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  9. NH3 has exceptionally high melting point and boiling point as compared...

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  10. Which is more stables ? Fe^(3+) or Fe^(2+) - explain .

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  11. Name any two alloys of copper and Give its uses .

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  12. Write short notes on alumino thermic process?

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  13. Name the first and last element in the second transition series.

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  14. Name the lightest and the heaviest elements (in terms of density) amon...

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  15. Which of the following ions would form colourless complexes? Cu^(2+)...

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  16. What is the action of heat on copper sulphate crystals?

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  17. When ethyl Iodide is treated with dry silver oxide it forms

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  18. Zinc is obtained from ZnO by

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  19. Explain how dichromate is extracted from its chromite are. Write the b...

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