Sail E0 Webinar

MCQs

Total Questions : 204 | Page 16 of 21 pages
Question 151. Alcohol (CnH₂n+1OH) is an example of
  1.    strong electrolyte
  2.    non-electrolyte
  3.    weak electrolyte
  4.    alkali
 Discuss Question
Answer: Option B. -> non-electrolyte
Answer: (b).non-electrolyte
Question 152. Examples of conductors include
  1.    platinum
  2.    sulphur
  3.    phosphorus
  4.    wood
 Discuss Question
Answer: Option A. -> platinum
Answer: (a).platinum
Question 153. Turpentine is an example of
  1.    strong electrolyte
  2.    non-electrolyte
  3.    weak electrolyte
  4.    salt
 Discuss Question
Answer: Option B. -> non-electrolyte
Answer: (b).non-electrolyte
Question 154. Difficulty of discharge is highest in
  1.    nitrate ions
  2.    sulphate ions
  3.    bromide ions
  4.    chloride ions
 Discuss Question
Answer: Option B. -> sulphate ions
Answer: (b).sulphate ions
Question 155. Paraffin is an example of
  1.    strong electrolyte
  2.    non-electrolyte
  3.    weak electrolyte
  4.    catalyst
 Discuss Question
Answer: Option B. -> non-electrolyte
Answer: (b).non-electrolyte
Question 156. In electrolysis of aqueous solutions of dilute acids or dilute alkalis, amount of hydrogen given off is
  1.    roughly half of the oxygen given off at the anode
  2.    roughly the same as of oxygen given off at anode
  3.    is roughly twice the oxygen given off at anode
  4.    is roughly twice the oxygen given off at cathode
 Discuss Question
Answer: Option C. -> is roughly twice the oxygen given off at anode
Answer: (c).is roughly twice the oxygen given off at anode
Question 157. Weak acids are weak electrolytes because
  1.    the number of valence electrons are lower
  2.    they contain only a few ions
  3.    they have more hydrogens
  4.    both a and b
 Discuss Question
Answer: Option D. -> both a and b
Answer: (d).both a and b
Question 158. Saucepans can be manufactured through electrolysis of
  1.    nickel
  2.    galvanized zinc
  3.    chromium
  4.    copper
 Discuss Question
Answer: Option D. -> copper
Answer: (d).copper
Question 159. Electroplating of chromium helps in manufacturing of
  1.    car bumpers
  2.    saucepans
  3.    cutlery
  4.    watches
 Discuss Question
Answer: Option A. -> car bumpers
Answer: (a).car bumpers
Question 160. In electrolysis of concentrated HCl, at cathode
  1.    oxygen gas is given off
  2.    hydrogen gas is given off
  3.    chlorine gas is given off at anode
  4.    hydrogen chloride is given off
 Discuss Question
Answer: Option C. -> chlorine gas is given off at anode
Answer: (c).chlorine gas is given off at anode

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

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0