Avogadro number is the number of molecules in one ____________ of a gas?
Avogadro number is the number of molecules in one ____________ of a gas?
A. gram
B. Kilogram
C. gm.mole
D. Litre
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The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?
The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?A. Nature of both the gas & the liquid
B. Temperature
C. Total pressure
D. None of theseSaturated molal absolute humidity of the vapor-gas mixture depends upon the______________________?
Saturated molal absolute humidity of the vapor-gas mixture depends upon the______________________?A. Vapor pressure at dry bulb temperature
B. Total pressure
C. Both A. and B.
D. Neither A. nor B.A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be_______________?
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be_______________?A. -136.5°C
B. – 136.5°K
C. -273°C
D. 0°KLower wall courses of soaking pits are made of _____________ bricks to avoid the action of molten slag & scale?
Lower wall courses of soaking pits are made of _____________ bricks to avoid the action of molten slag & scale?A. Chrome or magnesite
B. Silicon carbide
C. Silica
D. Low duty fireclayThe crystallisation of a solute from a solution may be done by________________?
The crystallisation of a solute from a solution may be done by________________?A. Removal of pure solvent by evaporation
B. Change of temperature thereby causing super-saturation
C. Changing the nature of the system by the addition of a more soluble material
D. All A., B. & C.Volume occupied by one gm mole of a gas at S.T.P. is ____________________?
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