1. . Torr is the unit of:
(A) Volume
(B) Time
(C) Temperature
(D) Pressure
2. . Surface tension is measured in:
(A) dynes/cm
(B) Newton
(C) Joule
(D) dynes
3. . Unit of viscosity is:
(A) gm/cm
(B) Poise
(C) Newton
(D) dynes/cm
4. . State of matter which has no definite shape and no definite volume is called:
(A) Solid
(B) Liquid
(C) Gas
(D) Plasma
5. . One-atmosphere pressure is equal to:
(A) 660 mm Hg
(B) 860 mm Hg
(C) 560 mm Hg
(D) 760 mm Hg
6. . ______ have large intermolecular distances:
(A) Gases
(B) Solids
(C) Semi-solids
(D) Liquids
7. . Surface tension is denoted by:
(A) Alpha
(B) Gamma
(C) Beta
(D) Eta
8. . Viscosity is denoted by:
(A) Alpha
(B) Beta
(C) Eta
(D) Gamma
9. . The value of the gas constant (R) is:
(A) 0.821 dm³ atm K⁻¹ mol⁻¹
(B) 0.00821 dm³ atm K⁻¹ mol⁻¹
(C) 0.0821 dm³ atm K⁻¹ mol⁻¹
(D) 0821 dm³ atm K⁻¹ mol⁻¹
10. . The surface tension of a liquid can be measured by:
(A) Stalagmometer
(B) Barometer
(C) Hydrometer
(D) Viscometer
11. . In Charles's Law ______ is constant:
(A) Temperature
(B) Pressure
(C) Volume
(D) Density
12. . In Boyle's Law ______ is constant:
(A) Volume
(B) Pressure
(C) Temperature
(D) Density
13. . Mass per unit volume is called:
(A) Viscosity
(B) Surface tension
(C) Density
(D) Capillary action
14. . Specific gravity bottle is used for measurement of:
(A) Viscosity
(B) Surface tension
(C) Capillary action
(D) Density
15. . P₁V₁ = P₂V₂ is a mathematical form of:
(A) Charles’s law
(B) Graham's law
(C) Boyle’s law
(D) Dalton's law
16. . The internal resistance to the flow of a liquid is called:
(A) Viscosity
(B) Surface tension
(C) Capillary action
(D) Density
17. . Which one is crystalline solid:
(A) Glass
(B) Rubber
(C) NaCl
(D) Plastic
18. . Which one is a supercooled liquid:
(A) Glass
(B) Rubber
(C) Plastic
(D) NaCl
19. . Gay Lussac law deals with:
(A) Solid
(B) Plasma
(C) Liquid
(D) Gas
20. . Torsion balance method is used to measure:
(A) Viscosity
(B) Density
(C) Pressure
(D) Surface tension