Home
You may like this!
6.
_______ is a crystalline solid.
  • A.
    Glass
  • B.
    Tar
  • C.
    Plastic
  • D.
    Sugar
  • Answer
  • Report
Answer : [D]
Report
Name Email  
7.
Which of the following properties of a crystalline solid changes with change of direction?
  • A.
    refractive index
  • B.
    electrical conductance
  • C.
    electrical resistance
  • D.
    all of these
  • Answer
  • Report
Answer : [D]
Report
Name Email  
8.
Amorphous solids are _______.
  • A.
    super cooled solids
  • B.
    super cooled gases
  • C.
    super cooled liquids
  • D.
    All of these
  • Answer
  • Report
Answer : [C]
Report
Name Email  
9.
Which of the following is an amorphous solid?
  • A.
    Graphite (C)
  • B.
    Quartz glass (SiO2)
  • C.
    Chrome alum
  • D.
    Silicon carbide (SiC)
  • Answer
  • Report
Answer : [B]
Report
Name Email  
10.
Which of the following statements about amorphous solids is INCORRECT?
  • A.
    They melt over a range of temperature.
  • B.
    They are anisotropic.
  • C.
    There is no orderly arrangement of particles.
  • D.
    They are rigid and incompressible.
  • Answer
  • Report
Answer : [B]
Report
Name Email