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Some Basic Concepts of Chemistry · 2004 · Shift 0

3 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2004 · Shift 0

3 Chemistry questions from this JEE Main paper

  1. Q52.6.02 × 1020 molecules of urea are present in 100 ml of its solution. The concentration of urea solution is (Avogadro constant, NA = 6.02 × 1023 mol-1)
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q53.To neutralise completely 20 mL of 0.1 M aqueous solution of phosphorous acid (H3​PO3​), the volume of 0.1 M aqueous KOH solution required is
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  3. Q54.The ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed in 100 mL of 0.1 M sulphuric acid. The excess of acid required 20 mL of 0.5 M sodium hydroxide solution for complete…
    Chemistry · Some Basic Concepts of Chemistry · MCQ