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MCQs

Total Questions : 526 | Page 4 of 53 pages
Question 31. Isomorphism is possible because of compatible
  1.    ratio
  2.    sizes
  3.    shape
  4.    color
 Discuss Question
Answer: Option A. -> ratio
Answer: (a).ratio
Question 32. Crystal which is used to study Avogadro's number is called
  1.    LiF
  2.    NaI
  3.    NaCl
  4.    LiF
 Discuss Question
Answer: Option D. -> LiF
Answer: (d).LiF
Question 33. Another name for electron pool theory is
  1.    electron gas theory
  2.    liquid theory
  3.    solid theory
  4.    pool theory
 Discuss Question
Answer: Option A. -> electron gas theory
Answer: (a).electron gas theory
Question 34. Usual property of ionic crystals is that they are
  1.    stable
  2.    unstable
  3.    gaseous form
  4.    compound forming
 Discuss Question
Answer: Option A. -> stable
Answer: (a).stable
Question 35. Hexane has maximum value for enthalpy change in vaporization, which is
  1.    7kJ/mole
  2.    23kJ/mole
  3.    30.1kJ/mole
  4.    4kJ/mole
 Discuss Question
Answer: Option C. -> 30.1kJ/mole
Answer: (c).30.1kJ/mole
Question 36. Length a in unit cell is along
  1.    x axis
  2.    y axis
  3.    z axis
  4.    parallel axis
 Discuss Question
Answer: Option A. -> x axis
Answer: (a).x axis
Question 37. In NaCl crystals number of chloride ions which surrounds Sodium ions is
  1.    4
  2.    5
  3.    6
  4.    7
 Discuss Question
Answer: Option C. -> 6
Answer: (c).6
Question 38. Shape of crystals of copper is
  1.    rhombic
  2.    monoclinic
  3.    hexagonal
  4.    cubic
 Discuss Question
Answer: Option D. -> cubic
Answer: (d).cubic
Question 39. Vacuum distillation occurs at low
  1.    pressure
  2.    volume
  3.    temperature
  4.    potential energy
 Discuss Question
Answer: Option C. -> temperature
Answer: (c).temperature
Question 40. Well arrangement of molecules is a property of
  1.    liquids
  2.    plasma
  3.    gases
  4.    solids
 Discuss Question
Answer: Option D. -> solids
Answer: (d).solids

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