Structure and properties of matter questions | form one Physics

The meniscus of mercury in a glass vessel curves upwards because:
A. The cohesion of molecules of mercury is stronger than the adhesion of
molecules of glass and mercury
B. The adhesion of molecules of mercury is stronger than the cohesion of
molecules of mercury.
C. Mercury experiences a downward force equal to its weight.
D. Mercury is denser than glass.

The surface tension of liquid is due to:
A. Molecules on its surface.
B. Elastic skin which covers the surface of the liquid.
C. Cohesive forces between its surface molecules.
D. Adhesive force between different molecules.

Give two examples of the effects of surface tension.

The process whereby materials recover the original length after removing the load or force is known as:
A. Plasticity
B. Deformation
C. Elasticity
D. Elastic limit

Pond skaters and mosquitos are able to walk on the surface of water because of the:
A. Upthrust
B. Plasticity on the surface.
C. Surface tension of water.
D. Water mass.

The force that causes twisting of an elastic material is called
A. restoring force.
B. torsional force.
C. compressional force.
D. stretching force.

The molecules of water and those of glass will attract each other by a force known as
A. adhesive force.
B. cohesive force.
C. viscosity.
D. osmotic pressure.

The nucleus of an atom constitutes:
A. protons, neutrons and electrons
B. the positive charge
C. the negative charge
D. neutrons and electrons

Which of the following is a property of a solid state?
A. inter-particle distances are large
B. particles are closely packed together
C. particles are not closely packed together
D. particles move randomly

A smell of rotten body can be felt through the process of:
A. diffusion
B. evaporation
C. osmosis
D. transpiration