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.Management Sciences
Category: Stoichiometry
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.
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
With rise in temperature, the solubility of ammonia in water at a fixed pressure__________________?
A. Increases
B. Decreases
C. Remains unchanged
D. Increases exponentially
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is__________________?
A. 80.1°C
B. Less than 80.1°C
C. 100°C
D. Greater than 80.1°C but less than 100°C
With increase in the porosity, thermal spalling resistance of fireclay brick_______________?
A. Increases
B. Decreases
C. Remain same
D. May increase or decrease
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