Search
.Management Sciences
Category: Stoichiometry
Which form of silica has the highest specific gravity ?
A. Quartz
B. Cristobalite
C. Tridymite
D. All have the same specific gravity
In a binary liquid solution of components „A‟ and „B‟, if component „A‟ exhibits positive deviation from Raoult’s law, then component „B‟ ?
A. Exhibits positive deviation from Raoult’s law
B. Exhibits negative deviation from Raoult’s law
C. Obeys Raoult’s law
D. May exhibit either positive or negative deviation from Raoult’s law
Magnesite refractories are used for the construction of those furnaces, which are_______________?
A. Not required to resist the corrosive action of basic slag
B. Not subjected to fluctuation in temperature
C. Used for raising & maintaining high temperature
D. Both B. and C.
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
A. Decrease in mean free path
B. Increased collision rate among molecules
C. Increase in molecular attraction
D. Increase in average molecular speed
Elements in a periodic table are arranged in order of their__________________?
A. Atomic number
B. Mass number
C. Atomic weight
D. Metallic characteristics
Thermal conductivity of refractory bricks____________________?
A. Increases with decrease in porosity
B. Decreases with decreases in porosity
C. Is independent of its porosity and is maximum for insulating bricks
D. Increases with the amount of air entrapped in pores
Clausius Clapeyron equation applies to the _____________ process?
A. Sublimation
B. Melting
C. Vaporisation
D. All A., B. & C.
Recent Comments