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MCQs

Total Questions : 1678 | Page 8 of 168 pages
Question 71. Ketones react with the reducing agent to make
  1.    primary alcohols
  2.    secondary alcohol
  3.    tertiary alcohol
  4.    aldehydes
 Discuss Question
Answer: Option B. -> secondary alcohol
Answer: (b).secondary alcohol
Question 72. The reducing agent used for the reduction of aldehydes and ketone is
  1.    tetrafluorate
  2.    tetrahydridoborate
  3.    tetrafluroborate
  4.    tetrachloride
 Discuss Question
Answer: Option B. -> tetrahydridoborate
Answer: (b).tetrahydridoborate
Question 73. The solution is highly concentrated when the solute is in
  1.    high concentration
  2.    low concentration
  3.    high temperature
  4.    low temperature
 Discuss Question
Answer: Option A. -> high concentration
Answer: (a).high concentration
Question 74. When there is a low concentration of solute in a solution, it is known as
  1.    diluted solution
  2.    saturated solution
  3.    concentrated solution
  4.    unsaturated solution
 Discuss Question
Answer: Option A. -> diluted solution
Answer: (a).diluted solution
Question 75. One of most common kind of titration involves the exact neutralization of an alkali (OH⁻) by a/an
  1.    base
  2.    acid
  3.    salt
  4.    suspension
 Discuss Question
Answer: Option B. -> acid
Answer: (b).acid
Question 76. The particles of gas are
  1.    randomly arranged
  2.    far apart
  3.    freely moving
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 77. The states of matter are
  1.    solid, liquid, gas
  2.    solid, molten
  3.    solid, vapor
  4.    solid, gas
 Discuss Question
Answer: Option A. -> solid, liquid, gas
Answer: (a).solid, liquid, gas
Question 78. Two optical isomers are formed from carbon atoms to create a bond of
  1.    4 atoms
  2.    2 atoms
  3.    1 atom
  4.    3 atoms
 Discuss Question
Answer: Option A. -> 4 atoms
Answer: (a).4 atoms
Question 79. The state which has a regular arrangement and cannot change its shape is
  1.    solid
  2.    liquid
  3.    gas
  4.    none of above
 Discuss Question
Answer: Option A. -> solid
Answer: (a).solid
Question 80. Gases do not have any fixed
  1.    shape only
  2.    volume only
  3.    density
  4.    shape and volume
 Discuss Question
Answer: Option D. -> shape and volume
Answer: (d).shape and volume

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