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NCERT TAMIL-D-BlOCK ELEMENTS-SELF EVALUATION (ANSWER IN ONE OR TWO SENTENCES)
- What are d-block elements? Why are they called so?
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- What are d-block elements? Why are they called so?
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- How d-block elements are classified?
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- Why transition elements form complexes ? (OR) why do d-block el...
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- Which of the following ions has maximum magnetic moment?
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- Why Zn^(2+) salts are white while Ni^(2+) salts are coloured?
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- [Ti (H2O)6]^(3+ ) is coloured ,while [Sc(H2O)6]^(3+) is colourless -e...
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- A substance is found to have a magnetic moment of 3.9 BM. How many unp...
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- NH3 has exceptionally high melting point and boiling point as compared...
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- Which is more stables ? Fe^(3+) or Fe^(2+) - explain .
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- Name any two alloys of copper and Give its 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 is the action of heat on copper sulphate crystals?
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- When ethyl Iodide is treated with dry silver oxide it forms
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- Zinc is obtained from ZnO by
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- Explain how dichromate is extracted from its chromite are. Write the b...
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