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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- Most of the known elements are :
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- Mn belongs to :
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- An aqueous solution of ferric chloride is acidic. Explain.
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- Orford process is used in extraction of:
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- Red P on heating with HNO3 gives :
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- Densest transition element is :
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- Permanent magnets are generaly made of alloys of :
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- Which forms interstitial compounds ?
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- The percentage of carbon is same in :
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- The highest magnetic moment for transition metals exist for :
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- The carbo content of :
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- Near the top of a blast furnace employed for the extrction of iron the...
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- Which of the following oxides of chromium is amphoteric in nature ?
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- Which of the following is not an alloy of copper?
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- In the netallurgy of iron , when limestone is added to the blast furna...
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- Which of the following transition metals show the maximum oxidation st...
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- the colour of the transition metal or its ion is due to
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- Zinc oxide is :
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- What happens when NH(4)OH solution is added dropwise to copper sulphat...
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- Blue vitriol is:
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