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JEE Main2002ChemistryChemical KineticsActual

If half-life of a substance is 5 yrs, then the total amount of substance left after 15 years, when initial amount is 64 grams is

Options

  1. A16 grams
  2. B2 grams
  3. C32 grams
  4. D8 grams

Correct answer

D. 8 grams

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