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Some Basic Concepts of Chemistry · 2021 · 20 Jul · Shift 1

2 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2021 · 20 Jul · Shift 1

2 Chemistry questions from this JEE Main paper

  1. Q13.250 mL of 0.5 M NaOH was added to 500 mL of 1 M HCl. The number of unreacted HCl molecules in the solution after complete reaction is ​× 1021. (Nearest integer) (NA = 6.022 × 1023)
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  2. Q20.An average person needs about 10000 kJ energy per day. The amount of glucose (molar mass = 180.0 g mol − 1) needed to meet this energy requirement is ​ g. (Use : Δ CH(glucose) = − 2700 kJ mol − 1)
    Chemistry · Some Basic Concepts of Chemistry · Numerical