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JEEMAIN and NEET
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Chemistry
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Chemical Kinetics
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Q)
Calculate half-life for first-order reaction if 68% of a substance is reacted within 66 s.
$\begin{array}{1 1} 39.3\;s \\ 45.3\;s \\ 22.67\;s \\ 17.45\;s \end{array}$
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