A. (141.5/G) – 131.5
B. 145 – (145/G)
C. 200 (G-1)
D. (400/G) – 400
Related Mcqs:
- Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?
A. °Be = (140/G) – 130
B. °Be = 200(G-1)
C. °Be = 145 – (145/G)
D. °Be = (400/G) – 400 - Which of the following gravity scales is used exclusively for liquids heavier than water ?
A. Baume scale
B. Twaddell scale
C. API scale
D. None of these - Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?
A. °API = 200(G – 1)
B. °API = (141.5/G) – 131.5
C. °API = (140/G) – 130
D. °API = 145 – (145/G) - °API gravity of water at N.T.P. is about__________________?
A. 0
B. 1
C. 10
D. 100 - The heats of vaporisation of CS2, C2H5OH &H2O are 26.8, 38.6 & 40.6 KJ/kg.mole respectively. The order of decreasing inter-molecular forces in these liquids is________________?
A. H2O > C2H5OH > CS2
B. CS2 > C2H5OH > H2O
C. H2O > CS2 > C2H5OH
D. CS2 > H2O > C2H5OH - The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids?
A. Polar
B. Non-polar
C. Both A. & B.
D. Neither A. nor B. - Boiling point of a non-homogeneous mixture of immiscible liquids is _____________ that of any one of its separate components?
A. Lower than
B. Higher than
C. Equal to
D. Either A. or B.; depends on the liquids - An Azeotropic solution of two liquids has boiling point lower than either of them, when it_____________?
A. Is saturated
B. Is unsaturated
C. Shows negative deviation from Raoult’s law
D. Shows positive deviation from Raoult’s law - Gases diffuse faster compared to liquids because of the reason that the liquid molecules_________________?
A. Are held together by stronger inter-molecular forces
B. Move faster
C. Have no definite shape
D. Are heavier - Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?
A. Heat of solvation
B. Heat of hydration
C. Standard integral heat of solution
D. Heat of mixing
