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प्रश्न
If 75% of a first order reaction was completed in 60 minutes, 50% of the same reaction under the same conditions would be completed in ____________.
विकल्प
20 minutes
30 minutes
35 minutes
75 minutes
उत्तर
If 75% of a first order reaction was completed in 60 minutes, 50% of the same reaction under the same conditions would be completed in 30 minutes.
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