Practice Test: Question Set - 25
1. Elements in a periodic table are arranged in order of their
- (A) Atomic
number
- (B) Mass
number
- (C) Atomic
weight
- (D) Metallic
characteristics
2. Pick out the wrong unit conversion.
- (A) 1 atm. = 760 mm Hg =
29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm2
- (B) 1 kPa = 100 bar
- (C) 1 mm Hg = 1 torr =
133.3 Pa
- (D) None of these
3. Unit of mass velocity is
- (A) kg/m.hr
- (B) kg/m2.hr
- (C) kg/hr
- (D) kg/m2
4. A solution of specific gravity 1 consists of 35% ‘A’ by weight and the remaining ‘B’. If the specific gravity of ‘A’ is 0.7, the specific gravity of ‘B’ is
- (A) 1.25
- (B) 1.3
- (C) 1.35
- (D) 1.2
5. Degrees of freedom will be equal to the number of components for a system comprising of
- (A) Only soluble liquid
components
- (B) Partially miscible
two liquid components system having two phases
- (C) Two liquid components
and one solute (soluble in both the liquids)
- (D) None of these
6. For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)
- (A) Δ H
- (B) > ΔH
- (C) < ΔH
- (D) 0
7. The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the _________ temperature.
- (A) Reduced
- (B) Boyle
- (C) Critical
- (D) Inversion
8. The average value of heat of neutralization of dilute solution of strong acids and strong bases is about ________ kcal/kg.mole of water formed.
- (A) 6680
- (B) 13360
- (C) 2481
- (D) 97302
9. The pressure under which liquid and vapor can co-exit at equilibrium is called the _________ vapor pressure.
- (A) Limiting
- (B) Real
- (C) Saturated
- (D) Normal
10. Which of the following is not a unit of length?
- (A) Parsec
- (B) Angstrom
- (C) Barn
- (D) Fermi
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