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MCQs

Total Questions : 350 | Page 11 of 35 pages
Question 101. Amount of NaHCO₃ required to prepare 500 cm³, 0.1M solution is
  1.    4.2 g
  2.    8.4 g
  3.    2.1 g
  4.    50 g
 Discuss Question
Answer: Option A. -> 4.2 g
Answer: (a).4.2 g
Question 102. The melting point of ice is
  1.    10 °C
  2.    0 °C
  3.    273 K
  4.    Both b and c
 Discuss Question
Answer: Option D. -> Both b and c
Answer: (d).Both b and c
Question 103. Formula weight of anhydrous oxalic acid is
  1.    126
  2.    63
  3.    90
  4.    120
 Discuss Question
Answer: Option C. -> 90
Answer: (c).90
Question 104. The weight in grams required to prepare 0.2 M 1dm³ solution of ferrous sulphate is
  1.    278
  2.    55.6
  3.    27.8
  4.    13.9
 Discuss Question
Answer: Option B. -> 55.6
Answer: (b).55.6
Question 105. The volume of one drop of a liquid is approximately
  1.    15 μL
  2.    20 μL
  3.    40 μL
  4.    50 μL
 Discuss Question
Answer: Option D. -> 50 μL
Answer: (d).50 μL
Question 106. The apparatus used to measure a volume of liquid that is being transferred to another container is
  1.    Beakers
  2.    Volumetric flasks
  3.    Pippetes
  4.    Measuring flask
 Discuss Question
Answer: Option C. -> Pippetes
Answer: (c).Pippetes
Question 107. The instrument used to measure the temperature is called
  1.    Manometer
  2.    Galvanometer
  3.    Ammeter
  4.    Thermometer
 Discuss Question
Answer: Option D. -> Thermometer
Answer: (d).Thermometer
Question 108. The formula for converting value of temperature from Celsius scale to Kelvin scale is
  1.    K = °C +290
  2.    K = °C +273
  3.    K = °C -273
  4.    None of above
 Discuss Question
Answer: Option B. -> K = °C +273
Answer: (b).K = °C +273
Question 109. The concave or convex surface of the liquid due to cohesion is called
  1.    Contact angle
  2.    Adhesion
  3.    Meniscus
  4.    None of above
 Discuss Question
Answer: Option C. -> Meniscus
Answer: (c).Meniscus
Question 110. The density of lithium is
  1.    0.32 g/cm¯³
  2.    0.24 g/cm¯³
  3.    0.53 g/cm¯³
  4.    0.65 g/cm¯³
 Discuss Question
Answer: Option C. -> 0.53 g/cm¯³
Answer: (c).0.53 g/cm¯³

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