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Some Basic Concepts of Chemistry · 2017 · Shift 0

2 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2017 · Shift 0

2 Chemistry questions from this JEE Main paper

  1. Q13.The most abundant elements by mass in the body of a healthy human adult are: Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75 kg person would gain if all 1H atoms are replaced by 2H atoms is:
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q24.1 gram of a carbonate (M2​CO3​) on treatment with excess HCl produces 0.01186 mole of CO2​. The molar mass of M2​CO3​ in g mol–1 is:
    Chemistry · Some Basic Concepts of Chemistry · MCQ