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ChemistryJEE Main 8 Apr 2026, Shift 2·Q1·MCQ·Easy–moderate

Some Basic Concepts · Mole concept number of atoms

Match List-I with List-II.
List-IList-II
Mass of substanceNumber of atoms
A.1.8 mg waterI.2×10−4×NA2\times10^{-4}\times N_\mathrm{A}
B.9.8 mg sulphuric acidII.1.5×10−4×NA1.5\times10^{-4}\times N_\mathrm{A}
C.1.8 mg carbonIII.3×10−4×NA3\times10^{-4}\times N_\mathrm{A}
D.5.85 mg salt (NaCl)IV.7×10−4×NA7\times10^{-4}\times N_\mathrm{A}
Choose the correct answer from the options given below :
  1. (1)A-IV, B-III, C-I, D-II
  2. (2)A-III, B-II, C-IV, D-I
  3. (3)A-III, B-IV, C-II, D-I
  4. (4)A-III, B-IV, C-I, D-II

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