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Some Basic Concepts of Chemistry · 2025 · 23 Jan · Shift 2

2 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2025 · 23 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

  1. Q21.0.01 mole of an organic compound (X) containing 10% hydrogen, on complete combustion produced 0.9 gH2​O. Molar mass of (X) is ​g mol−1.
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  2. Q23.When 81.0 g of aluminium is allowed to react with 128.0 g of oxygen gas, the mass of aluminium oxide produced in grams is ​ . (Nearest integer) Given : Molar mass of Al is 27.0 g mol−1…
    Chemistry · Some Basic Concepts of Chemistry · Numerical