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MCQs

Total Questions : 345 | Page 5 of 35 pages
Question 41. Minimum temperature which has been attained is
  1.    10-5
  2.    10-7
  3.    10-8
  4.    10-9
 Discuss Question
Answer: Option A. -> 10-5
Answer: (a).10-5
Question 42. 0 degree Celsius is equal to
  1.    240 K
  2.    296k
  3.    286K
  4.    273K
 Discuss Question
Answer: Option D. -> 273K
Answer: (d).273K
Question 43. Constant used in Graham's law of diffusion is
  1.    s
  2.    p
  3.    l
  4.    k
 Discuss Question
Answer: Option D. -> k
Answer: (d).k
Question 44. True pressure can be represented as
  1.    P+P'
  2.    P-P'
  3.    P-V
  4.    V-t
 Discuss Question
Answer: Option A. -> P+P'
Answer: (a).P+P'
Question 45. State of matter which shows maximum expansion is
  1.    solids
  2.    gases
  3.    liquids
  4.    plasma
 Discuss Question
Answer: Option B. -> gases
Answer: (b).gases
Question 46. If we use calorie unit to determine R its value becomes
  1.    1.987
  2.    1.876
  3.    1.657
  4.    1.786
 Discuss Question
Answer: Option A. -> 1.987
Answer: (a).1.987
Question 47. Gas liquefies into liquid at
  1.    low pressure
  2.    low temperature
  3.    low volume
  4.    low density
 Discuss Question
Answer: Option B. -> low temperature
Answer: (b).low temperature
Question 48. Graham law states that rate of effusion is inversely proportional to
  1.    square root of density
  2.    square root of temperature
  3.    square root of pressure
  4.    square root of area
 Discuss Question
Answer: Option A. -> square root of density
Answer: (a).square root of density
Question 49. Experimental description of graham's law produces dense white fumes of
  1.    ammonium chloride
  2.    ammonium hydroxide
  3.    hydrochloric acid
  4.    ammonia gas
 Discuss Question
Answer: Option B. -> ammonium hydroxide
Answer: (b).ammonium hydroxide
Question 50. Aqueous tension is pressure exerted by
  1.    molecules of gas
  2.    water vapors
  3.    ions
  4.    atoms
 Discuss Question
Answer: Option B. -> water vapors
Answer: (b).water vapors

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