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25. When 1 gm of water at 0°C and

1×105 N/m2 pressure is converted into ice of volume 1.091 cm3 , the external work done will be

(a)  0.0091 joule                      (b)  0.0182 joule

(c)   – 0.0091 joule                   (d)  – 0.0182 joule

Answer-a

(5)

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