Sail E0 Webinar

MCQs

Total Questions : 3103 | Page 3 of 311 pages
Question 21. Fermentator temperature during production of alcohol from molasses is around __________ °C.
  1.    5
  2.    30
  3.    150
  4.    300
 Discuss Question
Answer: Option B. -> 30
Question 22. Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of
  1.    4 kgf/cm² & 500°C
  2.    10 kgf/cm² & 1000°C
  3.    40 kg/cm² & 200°C
  4.    100 kgi/cm² & 500°C
 Discuss Question
Answer: Option A. -> 4 kgf/cm² & 500°C
Question 23. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.
  1.    Solvay
  2.    Ostwald's
  3.    Haber's
  4.    None of these
 Discuss Question
Answer: Option B. -> Ostwald's
Question 24. Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of
  1.    Trichloroethylene
  2.    Perchloroethylene
  3.    Parathion
  4.    Methanol
 Discuss Question
Answer: Option B. -> Perchloroethylene
Question 25. Phosphate rock is a raw material for the manufacture of
  1.    Phosphoric acid
  2.    Phosphorous
  3.    Superphosphates
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 26. Salt is the basic raw material for the manufacture of
  1.    Cement
  2.    Glass
  3.    Potteries
  4.    Caustic soda
 Discuss Question
Answer: Option D. -> Caustic soda
Question 27. Fatty material used in soap making is
  1.    Fatty acid
  2.    Fatty alcohols
  3.    Tallow
  4.    Detergents
 Discuss Question
Answer: Option C. -> Tallow
Question 28. Hydrogenation of edible vegetable oils
  1.    Is an exothermic reaction
  2.    Increases their melting point
  3.    Is done in presence of nickel catalyst
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 29. Lubricating greases are a mixture of
  1.    Mineral oil, soap and additives
  2.    Mineral oil and metallic soap
  3.    Mineral oil and fatty oil
  4.    Fatty oil and metallic soap
 Discuss Question
Answer: Option A. -> Mineral oil, soap and additives
Question 30. Rancidity of the fatty oil can be reduced by its
  1.    Decoloration
  2.    Hydrogenation
  3.    Oxidation
  4.    Purification
 Discuss Question
Answer: Option B. -> Hydrogenation

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0