Elements in a periodic table are arranged in order of their:
A. Atomic number
B. Mass number
C. Atomic weight
D. Metallic characteristics
The most convenient way of expressing solution concentration is in terms of:
A. Mole fraction
B. Normality
C. Molality
D. Molarity
Disappearance of snow in subzero weather exemplifies the process of:
A. Evaporation
B. Sublimation
C. Vaporisation
D. Melting
Volume occupied by one gm mole of a gas at S.T.P. is:
A. 22.4 litres
B. 22400 litres
C. 22.4 c.c
D. 359 litres
Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent:
A. Temperature
B. Nature of solute
C. Pressure
D. Nature of solvent
According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to:
A. T
B. T0.5
C. T1.5
D. T2
Sodium ____ has inverted solubility curve i.e. its solubility increases with the lowering of temperature:
A. Carbonate (monohydrate)
B. Chloride
C. Thiosulphate
D. Bisulphite
1 Kcal/kg. °C is equivalent to _____ BTU/lb. °F:
A. 1
B. 2.42
C. 4.97
D. None of these
In _____ process, ions of salts react with water to produce acidity or alkalinity:
A. Hydration
B. Hydrolysis
C. Electrolysis
D. Dialysis
The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is:
A. R
B. > R
C. < R
D. 0.5 R
