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85. Air is filled in a bottle at atmospheric pressure and it is corked at 35°C. If the cork can come out at 3 atmospheric pressure than upto what temperature should the bottle be heated in order to remove the cork

(a)  325.5°C                                     (b)  851°C

(c)   651°C                                        (d)  None of these

Answer-c

(3)

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