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Periodic Table and Periodicity · 2024 · 4 Apr · Shift 1

2 Chemistry questions from this JEE Main paper
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Periodic Table and Periodicity · 2024 · 4 Apr · Shift 1

2 Chemistry questions from this JEE Main paper

  1. Q16.The correct order of first ionization enthalpy values of the following elements is : (A) O (B) N (C) Be (D) F (E) B Choose the correct answer from the options given below :
    Chemistry · Periodic Table and Periodicity · MCQ
  2. Q20.Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is ​. B, C, N, S, O, F, P, Al, Si
    Chemistry · Periodic Table and Periodicity · MCQ