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MCQs

Total Questions : 526 | Page 2 of 53 pages
Question 11. Intermolecular forces are maximum in
  1.    Solids
  2.    Liquids
  3.    Gases
  4.    All of above
 Discuss Question
Answer: Option A. -> Solids
Answer: (a).Solids
Question 12. Gases exert pressure on the walls of the container because of the gas molecules
  1.    Obey gas law
  2.    Have fixed volume
  3.    Collide with the walls of the container
  4.    Collide with each other
 Discuss Question
Answer: Option C. -> Collide with the walls of the container
Answer: (c).Collide with the walls of the container
Question 13. Those solids in which atoms, ions and molecules are not arranged in a definite pattern are called
  1.    Crystalline
  2.    Amorphous
  3.    Ionic
  4.    Covalent
 Discuss Question
Answer: Option B. -> Amorphous
Answer: (b).Amorphous
Question 14. The solids particles possess only motion
  1.    Rotational
  2.    Vibrational
  3.    Translational
  4.    All of above
 Discuss Question
Answer: Option B. -> Vibrational
Answer: (b).Vibrational
Question 15. Intermolecular forces in solids are
  1.    Greater
  2.    Lesser
  3.    Intermediate
  4.    Zero
 Discuss Question
Answer: Option A. -> Greater
Answer: (a).Greater
Question 16. Six parameters which help to determine unit cell are
  1.    unit cell dimensions
  2.    unit cell lines
  3.    array
  4.    group
 Discuss Question
Answer: Option A. -> unit cell dimensions
Answer: (a).unit cell dimensions
Question 17. Phase changes are usually
  1.    endothermic
  2.    exothermic
  3.    high energy
  4.    high pressure
 Discuss Question
Answer: Option A. -> endothermic
Answer: (a).endothermic
Question 18. When size of cation is increased lattice energy is
  1.    decreased
  2.    increased
  3.    remains same
  4.    converted
 Discuss Question
Answer: Option A. -> decreased
Answer: (a).decreased
Question 19. In ionic solids repulsion between layers can be developed by
  1.    high force
  2.    small force
  3.    very little force
  4.    very high force
 Discuss Question
Answer: Option B. -> small force
Answer: (b).small force
Question 20. In covalent bonds electrons are shared
  1.    independently
  2.    by force
  3.    mutually
  4.    by temperature
 Discuss Question
Answer: Option C. -> mutually
Answer: (c).mutually

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