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MCQs

Total Questions : 350 | Page 5 of 35 pages
Question 41. Number of grams of compound needed to saturate 100g of water is defined for
  1.    solubility
  2.    volatility
  3.    polarity
  4.    none of above
 Discuss Question
Answer: Option A. -> solubility
Answer: (a).solubility
Question 42. When an undissolved ionic compound comes in contact with a saturated solution, there is an establishment of
  1.    stability
  2.    constancy
  3.    equilibrium
  4.    anion
 Discuss Question
Answer: Option C. -> equilibrium
Answer: (c).equilibrium
Question 43. The reduction in solubility of dissolved salt is gained by the addition of a solution of compound, which has an ion common with that of dissolved salt it is
  1.    common ion effect
  2.    ion reaction
  3.    reduction of ion
  4.    compound reduction
 Discuss Question
Answer: Option A. -> common ion effect
Answer: (a).common ion effect
Question 44. The solubility of silver chloride ions is reduced by the addition of Cl⁻
  1.    ions
  2.    moles
  3.    molecules
  4.    atoms
 Discuss Question
Answer: Option A. -> ions
Answer: (a).ions
Question 45. When two solutions are mixed solubility product helps in determining whether there will be production of
  1.    salts
  2.    oxides
  3.    precipitates
  4.    none of above
 Discuss Question
Answer: Option C. -> precipitates
Answer: (c).precipitates
Question 46. The shell of Nautilus is composed in sea when there is higher concentration of
  1.    carbonate (CO₃⁻²) ion
  2.    calcium (Ca⁺²) ion
  3.    oxide (O⁻²) ion
  4.    hydrogen (H⁺) ion
 Discuss Question
Answer: Option C. -> oxide (O⁻²) ion
Answer: (c).oxide (O⁻²) ion
Question 47. In our blood, hemoglobin is bound to oxygen in an
  1.    equilibrium expression
  2.    equilibrium relation
  3.    equilibrium reactions
  4.    equilibrium constant
 Discuss Question
Answer: Option C. -> equilibrium reactions
Answer: (c).equilibrium reactions
Question 48. Law relating to concentrations of substances present at equilibrium and to the stoichiometric equation is known as
  1.    Law of mass action
  2.    Charle's Law
  3.    Law of conversation of energy
  4.    Boyle's law
 Discuss Question
Answer: Option A. -> Law of mass action
Answer: (a).Law of mass action
Question 49. The simple relationship between equilibrium concentrations of reactants and products with stoichiometry is called as
  1.    equilibrium expression
  2.    equilibrium relation
  3.    dynamic equilibrium
  4.    equilibrium constant
 Discuss Question
Answer: Option A. -> equilibrium expression
Answer: (a).equilibrium expression
Question 50. First calculations on equilibrium were carried out by
  1.    Cato Guldberg only
  2.    Peter Waage only
  3.    John Dalton
  4.    Cato Guldberg and Peter Waage
 Discuss Question
Answer: Option D. -> Cato Guldberg and Peter Waage
Answer: (d).Cato Guldberg and Peter Waage

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