Engineering Chemistry Surface Tension Online Exam Quiz
Engineering Chemistry Surface Tension GK Quiz. Question and Answers related to Engineering Chemistry Surface Tension. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Surface Tension
The surface tension of water at 250C is ____________
Options
A : 90.0 dynes/cm
B : 45.63 dynes/cm
C : 82.5 dynes/cm
D : 72.14 dynes/cm
Stalagmometer is cleaned to remove grease with the help of ____________
Options
A : Chromic acid
B : Sulphuric acid
C : Distilled water
D : Tartaric acid
On increasing the temperature, the kinetic energy of the liquid molecules ____________
Options
A : Increases
B : Decreases
C : Remains constant
D : None of the mentioned
On increasing the temperature, the surface tension of the liquid ____________
Options
A : Increases
B : Decreases
C : Remains constant
D : None of the mentioned
The unit of surface tension in the CGS system is ____________
Options
A : N/m
B : Kg/cm
C : Dynes/cm
D : Dynes/m
The apparatus used for the determination of surface tension of a liquid is ____________
Options
A : Oedometer
B : Stalagmometer
C : Consolidometer
D : None of the mentioned
Which of the following is an application of surface tension?
Options
A : Use of soaps and detergents as cleansing agents
B : Molecular structure can be elucidated by surface tension measurements through parachor values
C : Surfactants are incorporated in preparations like toothpaste
D : All of the mentioned
Shapes of drops of liquid are spherical because of ____________
Options
A : Viscosity
B : Conductivity
C : Absorption
D : Surface tension
In case of water and glass, we get a concave meniscus because the adhesive force between water and glass are _______________ than the cohesive forces between water molecules.
Options
A : Weaker
B : Stronger
C : Same
D : None of the mentioned
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