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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
- Red hot steel rod on suddenly immersing in water becomes.
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- When steel is heated red hot and then slowly cooled, the process is kn...
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- The process of nitriding used in the treatment of steel is :
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- The process of heating of steel to temperature much below redness and ...
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- The process of heating of steel to temperature much below redness and ...
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- Rust is a mixture of :
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- The common oxidation state of the elements of lanthanide series is:
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- The tampering of steel makes it:
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- The element which acts as a good catalyst for several reactions has at...
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- Which one of the elements is a d-block element?
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- How many unpaired electrons are there in Ni^(2+) ion ?
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- The element which forms a coloured chloride is:
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- The elements which exhibit both vertical and horizontal similarities a...
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- Variable valency is a general feature of elements:
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- Which ion is not coloured:
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- The smelting of iron in a blas furnace involves all the steps except:
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- Which ion in aqueous medium has orange colour?
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- Acidified potassium permanganate solution is decolourised by
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- Mohr's salt is a:
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- The iron obtained from the blast furnace is called as
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