Explore topic-wise MCQs in Chemistry.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Higher the viscosity, the slower the liquid flows.

A. True
B. False
Answer» B. False
2.

The surface tension of ___________ at critical temperature.

A. one
B. zero
C. two
D. three
Answer» C. two
3.

A water drop is spherical in shape due to ____________

A. Viscosity
B. Poise
C. Surface tension
D. Reflection
Answer» D. Reflection
4.

If the angle of contact between the liquid and container is 90 degrees then? (C is the cohesive and A is the Adhesive force)

A. C > A
B. C = A
C. C < A
D. C is not equal to A
E. C > Ab) C = Ac) C < Ad) C is not equal to A
Answer» C. C < A
5.

What is S.I. unit of Surface Tension?

A. Dyne/meter
B. Newton-meter
C. Newton/meter
D. Dyne-meter
Answer» D. Dyne-meter
6.

Path in liquid in which layers do not meet each other is _______

A. laminar flow
B. tubular flow
C. viscosity
D. straight path
Answer» B. tubular flow
7.

In a liquid, the force required to maintain the flow of layers is 5N, velocity gradient in du/dx, area of contact is 20m2. Then what is the value of viscosity?

A. 6.25 dz/du
B. 0.15 dz/du
C. 0.2 dz/du
D. 0.25 dz/du
Answer» E.
8.

Viscosity of liquid _________ with rise in temperature.

A. Increases
B. Decreases
C. Remains constant
D. Is independent
Answer» B. Decreases
9.

1 poise = ____________

A. 0.1 kgm-1s-1
B. 1 kgm-1s-1
C. 10 kgm-1s-1
D. 100 kgm-1s-1
Answer» B. 1 kgm-1s-1
10.

What is the boiling point at pressure 1 atm known as?

A. Standard boiling point
B. Normal boiling point
C. Van der Waal boiling point
D. Saturated boiling point
Answer» D. Saturated boiling point