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ERRORLESS-THE d-AND f- BLOCK ELEMENTS -NCERT BASED QUESTIONS (Compounds of Transitional Elements)
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- Annealing is
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- Iron pipes lying under acidic soil are often attached to blocks of mag...
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- haemoglobin is a complex of
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- Light green crystals of ferrous sulphate lose water molecules and turn...
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- Dipping iron article into a strongly alkaline solution of sodium phosp...
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- On heating K4[Fe(CN)6] with conc. H2SO4 gives the gas
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- Iron is dropped in dil. HNO(3) , it gives
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- Steel becomes soft and pliable by
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- Pure conc. HNO(3) makes iron passive as the surface is covered with pr...
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