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.Management Sciences
Category: Stoichiometry
A vapor whose partial pressure is less than its equilibrium vapor pressure is called the _____________ vapor?
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A. Saturated
B. Superheated
C. Unsaturated
D. Dry gaseous
One of the specific gravity scales is “Brix” (used specifically for sugar solution). It is defined as ______________?
A. Brix = (400/G) – 400
B. Brix = 200 (G-1)
C. Brix = 145 – (145/G)
D. None of these
Mass number of an atom is the sum of the numbers of_________________?
A. Neutrons and protons
B. Protons and electrons
C. Neutrons and electrons
D. Both A. & B.
A vapor whose partial pressure is less than its equilibrium vapor pressure is called a ______________ vapor?
A. Saturated
B. Supersaturated
C. Superheated
D. None of these
Maximum alumina content in high alumina refractory can be as high as ____________ percent?
A. 30
B. 50
C. 70
D. 90
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
Number of gm moles of solute dissolved in one liter of a solution is called its____________________?
A. Equivalent weight
B. Molarity
C. Molality
D. Normality
Refluxing of part of the distillate in a fractionating column is a ‘recycling operation’, aimed primarily at_______________?
A. Heat conservation
B. Yield enhancement
C. Product enrichment
D. None of these
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