Properties of Crystals MCQ

Test your knowledge with important Properties of Crystals MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Properties of Crystals MCQs on Bissoy. Bissoy App

• Grain boundaries are one of the causes of corrosion of metals?
  ক

  True

  খ

  False
• Which of the following is not a property of metal glass?
  ক

  Transparent

  খ

  Poor thermal conductivity

  গ

  High magnetic susceptibility

  ঘ

  None of the mentioned
• The smallest portion of a crystal which when repeated in different directions generates the entire crystal is called:
  ক

  Lattice points

  খ

  Crystal lattice

  গ

  Unit cell

  ঘ

  None of the mentioned
• Which of the following is a property of amorphous solids?
  ক

  Sharp melting point

  খ

  Isotropy

  গ

  Long range order

  ঘ

  Definite heat of fusion
• An octahedral void is surrounded by:
  ক

  8 atoms

  খ

  18 atoms

  গ

  6 atoms

  ঘ

  16 atoms
• HCP and BCC are called close-packed structures. Close packed structures have:
  ক

  Highest packing efficiency

  খ

  Highest void fraction

  গ

  Highest density

  ঘ

  All of the mentioned
• Packing efficiency of a crystal structure is the ratio of:
  ক

  Volume occupied by particles to the total volume of the unit cell

  খ

  Volume occupied by particles to that by voids

  গ

  Total volume of the unit cell to the volume occupied by particles

  ঘ

  Volume occupied by voids to that by particles
• Co-ordination number of a crystalline solid is:
  ক

  Number of particles in the unit cell

  খ

  Number of nearest neighbours of a particle

  গ

  Number of octahedral voids in a unit cell

  ঘ

  Number of tetrahedral voids in a unit cell
• Allotropes differ in which of the following properties:
  ক

  Atomic Number

  খ

  Atomic Mass

  গ

  Crystal Structure

  ঘ

  Electronegativity