JEE Main 2002Annual, Paper 1ChemistryEasyChemical Kinetics62× since 2002If half-life of a substance is 5 yrs, then the total amount of substance left after 15 years, when initial amount is 64 grams isAOption A. 16 gramsBOption B. 2 gramsCOption C. 32 gramsDOption D. 8 gramsCheckSkip · show solution
