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Some Basic Concepts of Chemistry · 2020 · 3 Sep · Shift 2

3 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2020 · 3 Sep · Shift 2

3 Chemistry questions from this JEE Main paper

  1. Q16.The strengths of 5.6 volume hydrogen peroxide (of density 1 g/mL) in terms of mass percentage and molarity (M), respectively, are: (Take molar mass of hydrogen peroxide as 34 g/mol)
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q18.6.023 × 1022 molecules are present in 10 g of a substance 'x'. The molarity of a solution containing 5 g of substance 'x' in 2 L solution is ​ × 10-3
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  3. Q20.The volume (in mL) of 0.1 N NaOH required to neutralise 10 mL of 0.1 N phosphinic acid is ​.
    Chemistry · Some Basic Concepts of Chemistry · Numerical