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NCERT TELUGU-D-BlOCK ELEMENTS-SELF EVALUATION (ANSWER IN ONE OR TWO SENTENCES)
- Explain why d-block elements exhibit variable oxidation states?
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- Transition elements form complexes due to
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- Why does Mn(II) show maximum paramagnetic character among the bivalent...
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- Why Zn^(2+) salts are white while Ni^(2+) salts are coloured?
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- [Ti(H(2)O)(6)]^(3+) is coloured while [Sc(H(2)O)(6)]^(3+) is colourles...
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- A substance is found to have a magnetic moment of 3.9 BM. How many unp...
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- Explain why the melting and boiling points of Zn, Cd, Hg are low?
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- Explain why Mn^(2+) is more stable than Mn^(3+)?
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- Write two alloys of copper and their uses.
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- Write short notes on alumino thermic process?
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- Name the first and last element in the second transition series.
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- Name the lightest and the heaviest elements (in terms of density) amon...
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- Which of the following ions would form colourless complexes? Cu^(2+)...
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- What happens when KI solution is added to an aqueous solution of coppe...
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- What happens if the copper sulphate crystals taken into dry test tube ...
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- Discuss the extraction of copper from copper pyrites.
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- Name the ores of gold. Explain how it is extracted from its alluvial g...
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- List the ores of silver. How silver is extracted from Argentite?
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- Explain the extraction of Zinc form Zinc blende.
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- Explain how dichromate is extracted from its chromite are. Write the b...
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