81. Pick out the wrong statement.
82. Cp is expressed in S.I. unit as
83. The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________
84. One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C; the saturation pressure is 0.943 bar; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1) under these conditions is
85. 1 ata is equivalent to
86. 1 centipoise is equivalent to
87. 1 kg/cm2 is equal to
88. 1 kgf/cm2 is not equal to
89. 1 torr is equivalent to
90. Na2SO4.10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is
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