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D and F Block Elements · 2025 · 29 Jan · Shift 1

2 Chemistry questions from this JEE Main paper
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D and F Block Elements · 2025 · 29 Jan · Shift 1

2 Chemistry questions from this JEE Main paper

  1. Q7.The correct option with order of melting points of the pairs (Mn, Fe), (Tc, Ru) and (Re, Os) is :
    Chemistry · D and F Block Elements · MCQ
  2. Q21.The molar mass of the water insoluble product formed from the fusion of chromite ore (FeCr₂O₄) with Na₂CO₃ in presence of O₂ is ​ g mol⁻¹.
    Chemistry · D and F Block Elements · Numerical