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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- 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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- The formula of sodium nitroprusside is:
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- Magnetite is :
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- Automobile engine blocks are made up of :
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- Invar is an alloy of :
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- Pig iron :
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- The formula of haematite is :
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- Iron rusts in the persence of :
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- Which match is inccorect ?
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- Iron, once dipped in concentratred H2SO4 , does not displace copper fr...
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