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MCQs

Total Questions : 193 | Page 3 of 20 pages
Question 21. Water flowing in plants from tap through a pipe, the process is an example of which of the following process?
  1.    Batch
  2.    Semi-batch
  3.    Neither of them
  4.    Batch & Semi-batch
 Discuss Question
Answer: Option A. -> Batch
Answer: (a).Batch
Question 22. 10 Kg of oil is burnt in a container and taken off from the container if 1% of oil remains on the container wall, how much oil is taken off?
  1.    8.9 Kg
  2.    9 Kg
  3.    9.9 Kg
  4.    10 Kg
 Discuss Question
Answer: Option C. -> 9.9 Kg
Answer: (c).9.9 Kg
Question 23. Two reactants enters a vessel and a reaction is carried out, it is an example of which of the following?
  1.    Batch
  2.    Semi-batch
  3.    Neither of them
  4.    Batch & Semi-batch
 Discuss Question
Answer: Option B. -> Semi-batch
Answer: (b).Semi-batch
Question 24. In a batch process, 70 Kg of H₂O and 10 Kg of NaOH and some other reactants enters the vessel, if 100 Kg of product leaves the vessel, what is the percentage of H₂O in the product?
  1.    10%
  2.    30%
  3.    70%
  4.    100%
 Discuss Question
Answer: Option C. -> 70%
Answer: (c).70%
Question 25. Water boiling in a container is an example of which of the following?
  1.    Batch
  2.    Semi-batch
  3.    Neither of them
  4.    Batch & Semi-batch
 Discuss Question
Answer: Option C. -> Neither of them
Answer: (c).Neither of them
Question 26. A reaction has reactants 2 moles of NaOH and 1 mole of H₂SO₄, and products Na₂SO₄ and H₂O, what are the total moles of products?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Answer: (c).3
Question 27. 10 moles of A were present in a system initially, and 10 moles are added to it, it follows the reaction 4A -> B, what are number of moles of B produced?
  1.    5
  2.    10
  3.    15
  4.    20
 Discuss Question
Answer: Option A. -> 5
Answer: (a).5
Question 28. In a random reaction 2 mole of CH₄ and 1 mole of C₂H₄ are reacted, and 1 mole of C₃H₈ and 1 mole of CxHy are produced, what is x*y?
  1.    2
  2.    4
  3.    8
  4.    12
 Discuss Question
Answer: Option B. -> 4
Answer: (b).4
Question 29. A reaction is A + 2B -> 3C, if 2 moles of A and 4 moles of B entered the system, what are the number of moles of C formed?
  1.    2
  2.    4
  3.    6
  4.    8
 Discuss Question
Answer: Option C. -> 6
Answer: (c).6
Question 30. 10 moles of A were present in a system initially, and 10 moles of C are added to it, it follows the reaction 2A + C -> 5B, what are number of moles of B produced?
  1.    5
  2.    10
  3.    25
  4.    50
 Discuss Question
Answer: Option C. -> 25
Answer: (c).25

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