Solid State MCQs for MDCAT Practice

Chemistry section, Solid State chapter. Sample questions from past PMC papers.

1. Question 1
   The properties which depend upon the direction are called _____.
   • A.Isotropic properties
   • B.Anisotropy
   • C.Temperature
   • D.Sublimation
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2. Question 2
   The variation in physical properties of a crystal due to direction is called
   • A.isotropy
   • B.entropy
   • C.anisotropy
   • D.none of these
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3. Question 3
   A certain metal crystallizes in a face-centered cube measuring 4.00 × 102 picometers on each edge. What is the radius of the atom? (1 picometer (pm) = 1 × 10–12 meter)
   • A.173 pm
   • B.200. pm
   • C.282 pm
   • D.141 pm
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4. Question 4
   Which value would be required to estimate the lattice energy for the hypothetical ionic compound MgH?
   • A.The electron affinity of hydrogen
   • B.The first ionisation energy of hydrogen
   • C.The magnesium-hydrogen bond energy
   • D.The standard enthalpy changes of formation of MgH2
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5. Question 5
   Carbon dioxide is an example of?
   • A.Ionic Solid
   • B.Metallic Solid
   • C.Molecular Solid
   • D.Covalent Solid
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6. Question 6
   The shape of the crystal in which it usually grows is called its _____.
   • A.Size
   • B.Capacity
   • C.Habit
   • D.Property
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7. Question 7
   The compound with most exothermic lattice energy is:
   • A.CaCl2
   • B.K2O
   • C.CaO
   • D.BaCl2
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8. Question 8
   Which of the following shows the effect of temperature on electrical conductivity in metals?
   • A.Temperature = High; Electrical Conductivity = Increases
   • B.Temperature = Low; Electrical Conductivity = Decreases
   • C.Temperature = High; Electrical Conductivity = Remains constant
   • D.Temperature = High; Electrical Conductivity = Decreases
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