JEE Main 2002ChemistryChemical KineticsMediumMCQ

JEE Main 2002Chemical Kinetics Question with Solution

JEE Main 2002

Question

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

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Show full solutionCorrect option: D
Correct answer
D8 grams

Step-by-step explanation


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About this question

This is a previous-year question from JEE Main 2002, covering the Chemical Kinetics chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.