A. 2.09 × 10-4
B. 2.09 × 10-5
C. 2.09 × 10-9
D. 2.09 × 10-12
A. Recovery of tannis from the tree barks and woods
B. Leaching sodium nitrate from Chilean nitrate bearing rock
C. Both A. and B.
D. Neither A. nor B.
A. Multiple effect evaporator
B. Mechanical draft cooling tower
C. Rotary dryer
D. Rotating disc contactor
A. Cold water leaving the tower and the wet bulb temperature of the surrounding air
B. Hot water entering the tower and the wet bulb temperature of the surrounding air
C. Hot water entering and the cooled water leaving the cooling tower
D. None of these
A. II, III
B. II, IV
C. IV, III
D. IV, II
A. Inverse
B. Exponential
C. Linear
D. Logarithmic
A. Less than
B. More than
C. Same as
D. Very much less
A. Low vapor pressure
B. Low viscosity
C. High gas solubility
D. None of these
A. Increase
B. Decrease
C. Remain same
D. Data insufficient, can’t be predicted
A. The mixture exhibits an azeotrope at 101.3 kPa
B. The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and mxylene
10
C. The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10
D. The mixture contain optical isomers