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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- Lanthanide contraction is due to
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- Among the following out electronic configuration of atoms the highest ...
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- A reduction in atomic size with increase in atomic number is a charact...
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- Manganese exhibits highest oxidation state of +7. Give reason.
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- The colour of [Ti(H2O)6]^(3+) + is due to:
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- Pig iron :
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- Copper sulphate is commercially made from copper scrap by :
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- Inblastfurnace, iron oxide is reduced to iron by
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- Red P on heating with HNO3 gives :
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- German Silver is an alloy of Copper and:
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- The carbo content of :
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- Galvanised iron sheets have coating of :
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- KI and CuSO(4) solution when mixed give
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- Which from of iron is least ducite ?
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- The fusible alloy of cadmium is
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- Stainless steel does not rust because :
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- Passivity of iron is due to the formation of thin film of its :
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- Iron gets rusted due to the action of :
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- Zinc , cadmium and mercury are :
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- Essential constituent of an amalgam is :
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