AIEEE 2003 Chemistry Solved Paper

Section: Chemistry

Question : 45 of 76

Marks: +1, -0

The half-life of a radioactive isotope is three hours. If the initial mass of the isotope were 256g, the mass of it remaining undecayed after 18 hours would be

[AIEEE 2003]

8.0‌g
12.0‌g
16.0‌g
4.0‌g

Validate

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