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63. A balloon contains

1500 m3 of helium at 27°C  and 4 atmospheric pressure. The value of helium at -3°C  temperature and 2 atmospheric pressure will be

(a) 1500 m3                   (b) 1700 m3

(c) 1900 m3                   (d) 2700 m3

Answer-d

(7)

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