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110.It takes 10 minutes to cool a liquid from 61^°C to 59^°C. If room temperature is 30^°C then time taken in cooling from 51^°C to 49^°C

Answer» 110.It takes 10 minutes to cool a liquid from 61^°C to 59^°C. If room temperature is 30^°C then time taken in cooling from 51^°C to 49^°C


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