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Some Basic Concepts of Chemistry · 2025 · 3 Apr · Shift 1

3 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2025 · 3 Apr · Shift 1

3 Chemistry questions from this JEE Main paper

  1. Q14.Among 10−9 g(each) of the following elements, which one will have the highest number of atoms? Element: Pb,Po,Pr and Pt
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q21.During estimation of nitrogen by Dumas’ method of compound X(0.42 g) ​ mL of N2​ gas will be liberated at STP. (nearest integer) (Given molar mass in g mol−1:C:12,H:1, N:14… Includes diagram
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  3. Q23.0.5 g of an organic compound on combustion gave 1.46 g of CO2​ and 0.9 g of H2​O. The percentage of carbon in the compound is ​. (Nearest integer) [Given : Molar mass (in gmol−1)C:12,H:1,O:16…
    Chemistry · Some Basic Concepts of Chemistry · Numerical