Sail E0 Webinar

MCQs

Total Questions : 204 | Page 4 of 21 pages
Question 31. Difficulty of discharge is lowest in
  1.    Chloride ions
  2.    Bromide ions
  3.    hydroxide ions
  4.    sulphate ions
 Discuss Question
Answer: Option C. -> hydroxide ions
Answer: (c).hydroxide ions
Question 32. Weak electrolytes include
  1.    limewater Ca(OH)₂
  2.    ammonia solution NH₃
  3.    Carbonic acid H₂CO₃
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 33. A non-electrolyte
  1.    does not conduct electricity
  2.    is a covalent substance
  3.    does not form ions
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 34. Battery is
  1.    99.5% pure copper
  2.    collection of cells
  3.    pure lead
  4.    pure zinc
 Discuss Question
Answer: Option B. -> collection of cells
Answer: (b).collection of cells
Question 35. Ethanoic acid (CH₃COOH) is included in
  1.    strong electrolyte
  2.    non-electrolyte
  3.    weak electrolyte
  4.    good conductors
 Discuss Question
Answer: Option C. -> weak electrolyte
Answer: (c).weak electrolyte
Question 36. In electrolysis of pure ionic molten compounds, metal is formed at
  1.    anode
  2.    cathode
  3.    inert electrode
  4.    base of the apparatus
 Discuss Question
Answer: Option B. -> cathode
Answer: (b).cathode
Question 37. The cathode production the electrolysis of zinc iodide is
  1.    iodine
  2.    zinc
  3.    zinc oxide
  4.    chloride
 Discuss Question
Answer: Option B. -> zinc
Answer: (b).zinc
Question 38. Ions discharged in electrolysis depends on
  1.    relative electrode potential
  2.    concentration of ions
  3.    relative electrode charge
  4.    density of electrolyte
 Discuss Question
Answer: Option C. -> relative electrode charge
Answer: (c).relative electrode charge
Question 39. In electrolysis, the very high current is passed which is equal to
  1.    40,000 A
  2.    20,000 A
  3.    30,000 A
  4.    10,000 A
 Discuss Question
Answer: Option A. -> 40,000 A
Answer: (a).40,000 A
Question 40. The effect of high voltage needed to discharge OH⁻ ion is called
  1.    over voltage effect
  2.    hydroxyl effect
  3.    high effect
  4.    none of above
 Discuss Question
Answer: Option A. -> over voltage effect
Answer: (a).over voltage effect

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