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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- Which occurs in nature in free state ?
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- The general electronic configuration of transition elements is
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- Transition elements are good conductor of current because :
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- Iron is :
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- Transition elements are coloured due to:
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- A transition element X has the configuration [Ar]d^(4) in its +3 oxida...
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- Elements of group 11 and 12 are:
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- Formation of intertitial compounds make the transition metal :
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- Give IUPAC names of the following compounds [Ag(NH(3))(2)]^(+),[Cu(N...
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- Prussian blue is :
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- Ferrous sulphate is called as:
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- Percentage of nickel in nickel steel is :
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- Iron is obtained on large scale from haematite,
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- In comparison to ferrous salts , ferric salts are :
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- Which form contains the maximum percentage of carbon ?
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- Which statement is incorrect
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- Addition of FeCl3 solution to K4[Fe(CN)6] solution gives :
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- Fe ore is concentrated by :
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- Finely divided iron combines with CO to give :
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- The term fools gold is used for a mineral which shines likes gold . It...
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