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MCQs

Total Questions : 3103 | Page 10 of 311 pages
Question 91. Paper grade bamboo contains about __________ percent cellulose.
  1.    5
  2.    20
  3.    40
  4.    60
 Discuss Question
Answer: Option A. -> 5
Question 92. Production of one ton of cement requires about __________ tons of limestone.
  1.    0.6
  2.    1.2
  3.    2.2
  4.    3.8
 Discuss Question
Answer: Option B. -> 1.2
Question 93. Which of the following paper does not require a filler during manufacture?
  1.    Bond paper
  2.    Writing paper
  3.    Blotting paper
  4.    Coloured paper
 Discuss Question
Answer: Option C. -> Blotting paper
Question 94. Phenolic antiseptics are added in the __________ soap.
  1.    Shaving
  2.    Medicated
  3.    Metallic
  4.    Transparent
 Discuss Question
Answer: Option B. -> Medicated
Question 95. Fish contains about __________ percent oil.
  1.    5
  2.    10
  3.    20
  4.    35
 Discuss Question
Answer: Option C. -> 20
Question 96. Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of
  1.    Nitric acid
  2.    Hydrochloric acid
  3.    Methyl alcohol
  4.    Formic acid
 Discuss Question
Answer: Option A. -> Nitric acid
Question 97. Oxygen is produced by fractionation of air using __________ process.
  1.    Linde's
  2.    Claude's
  3.    Either A or B
  4.    None of these
 Discuss Question
Answer: Option C. -> Either A or B
Question 98. Pick out the wrong statement.
  1.    Conversion of SO₂ to SO₃ in Monsanto-4 pass converter is about 98%
  2.    The chemical formula of oleum is H₂S₂O₇, which is formed by saturating sulphuric acid with sulphur trioxide
  3.    Vitriol oil is nothing but technical sulphuric acid
  4.    Decomposition of sulphuric acid on heating does not start before its boiling
 Discuss Question
Answer: Option D. -> Decomposition of sulphuric acid on heating does not start before its boiling
Question 99. Electric bulbs are made of __________ glass.
  1.    Jena
  2.    Flint
  3.    Crookes
  4.    Pyrex
 Discuss Question
Answer: Option B. -> Flint
Question 100. __________ is produced using molasses as the starting raw material.
  1.    Methyl alcohol
  2.    Ethyl alcohol
  3.    Benzol
  4.    Dimethyl ether
 Discuss Question
Answer: Option B. -> Ethyl alcohol

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