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MCQs

Total Questions : 526 | Page 5 of 53 pages
Question 41. Structure of ionic solids depends upon property of captions and anions which is
  1.    radius ratio
  2.    size
  3.    force
  4.    attraction
 Discuss Question
Answer: Option A. -> radius ratio
Answer: (a).radius ratio
Question 42. Crystals of sodium nitrite are
  1.    orthorhombic
  2.    rhombohedral
  3.    cubic
  4.    circle
 Discuss Question
Answer: Option B. -> rhombohedral
Answer: (b).rhombohedral
Question 43. Look of diamond crystal is
  1.    centered cubic
  2.    hexagonal
  3.    sphere
  4.    circle
 Discuss Question
Answer: Option A. -> centered cubic
Answer: (a).centered cubic
Question 44. Avogadro's number can be calculated by use of volume and
  1.    space between atoms
  2.    height
  3.    size
  4.    shape
 Discuss Question
Answer: Option A. -> space between atoms
Answer: (a).space between atoms
Question 45. In crystal lattice unit cell is actually
  1.    smallest figure
  2.    lines
  3.    points
  4.    crystals
 Discuss Question
Answer: Option A. -> smallest figure
Answer: (a).smallest figure
Question 46. In thermal conductivity heat is transferred in metals by their
  1.    potential energy
  2.    collisions
  3.    size
  4.    static nature
 Discuss Question
Answer: Option B. -> collisions
Answer: (b).collisions
Question 47. Liquid crystals share properties of crystals and
  1.    anisotropic liquids
  2.    crystalline liquids
  3.    water
  4.    isotropic liquids
 Discuss Question
Answer: Option D. -> isotropic liquids
Answer: (d).isotropic liquids
Question 48. When structure of metal changes it does not undergo
  1.    movement
  2.    molding
  3.    change in shape
  4.    fracturing
 Discuss Question
Answer: Option D. -> fracturing
Answer: (d).fracturing
Question 49. When we measure molar heat of vaporization pressure taken is
  1.    5 atmosphere
  2.    3 atm
  3.    1 atm
  4.    9 atm
 Discuss Question
Answer: Option C. -> 1 atm
Answer: (c).1 atm
Question 50. Turbid phase of cholesteryl benzoate is called
  1.    liquid crystal
  2.    solid crystal
  3.    milky liquid
  4.    cloudy liquid
 Discuss Question
Answer: Option A. -> liquid crystal
Answer: (a).liquid crystal

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