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MCQs

Total Questions : 168 | Page 6 of 17 pages
Question 51. 1 dm3 is equal to
  1.    1 Liter
  2.    1000 cm3
  3.    1 m3
  4.    both a and b
 Discuss Question
Answer: Option D. -> both a and b
Answer: (d).both a and b
Question 52. Apparatus used for very accurate measurements include
  1.    pipette
  2.    burette
  3.    beaker
  4.    both a and b
 Discuss Question
Answer: Option D. -> both a and b
Answer: (d).both a and b
Question 53. To record temperature of a liquid over time, devices used are called as
  1.    data loggers
  2.    scanners
  3.    bar code readers
  4.    probes
 Discuss Question
Answer: Option D. -> probes
Answer: (d).probes
Question 54. Colored gas includes
  1.    ammonia
  2.    chlorine
  3.    hydrogen chloride
  4.    hydrogen
 Discuss Question
Answer: Option B. -> chlorine
Answer: (b).chlorine
Question 55. Gases denser than air include
  1.    carbon dioxide
  2.    oxygen
  3.    hydrogen
  4.    ammonia
 Discuss Question
Answer: Option A. -> carbon dioxide
Answer: (a).carbon dioxide
Question 56. Bigger crystals are yield by
  1.    heating
  2.    no cooling
  3.    fast cooling
  4.    slow cooling
 Discuss Question
Answer: Option D. -> slow cooling
Answer: (d).slow cooling
Question 57. Filter paper must be folded
  1.    five times
  2.    four times
  3.    thrice
  4.    twice
 Discuss Question
Answer: Option D. -> twice
Answer: (d).twice
Question 58. Filter paper should fit tightly to provide
  1.    Flow
  2.    suction
  3.    force
  4.    pressure
 Discuss Question
Answer: Option B. -> suction
Answer: (b).suction
Question 59. Funnel should be at top of circumference of paper by
  1.    3-4cm
  2.    1-2cm
  3.    4-5cm
  4.    5-6cm
 Discuss Question
Answer: Option B. -> 1-2cm
Answer: (b).1-2cm
Question 60. Distribution co efficient is related to
  1.    decreasing factor
  2.    colouring factor
  3.    retardation factor
  4.    separating factor
 Discuss Question
Answer: Option C. -> retardation factor
Answer: (c).retardation factor

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