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The half life period of a first order reaction is 15 minutes. The amount of substance

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The half life period of a first order reaction is 15 minutes. The amount of substance left after one hour will be ...

(a)  1/2

(b)  1/4

(c)  1/8

(d)  1/16

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Correct option  (d) 1/16

Explanation:

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