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The half-life period of a first-order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be

The half-life period of a first-order chemical reaction is 6.93 minutes. The time
required for the completion of 99% of the chemical reaction will be (log 2 = 0.301):
(a) 46.06 minutes
(b) 460.6 minutes
(c) 230.3 minutes
(d) 23.03 minutes

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