Sail E0 Webinar

General Knowledge > General Science

CHEMISTRY MCQs

Total Questions : 2589 | Page 2 of 259 pages
Question 11. What is used in storage batteries?
  1.    Copper
  2.    Tin
  3.    Lead
  4.    Zinc
 Discuss Question
Answer: Option C. -> Lead
Question 12. Cyanide poisoning causes death in seconds because
  1.    It denatures enzymes of the heart/muscle
  2.    It breaks the electron transport chain
  3.    It causes Lysis of red blood cells
  4.    It causes cardiac arrest
 Discuss Question
Answer: Option D. -> It causes cardiac arrest
Question 13. The degree of dissociation of an electrolyte depends on
  1.    Dilution
  2.    Impurities
  3.    Atmospheric pressure
  4.    Method of dissolution
 Discuss Question
Answer: Option A. -> Dilution
Question 14. In the electroplating of gold, the electrolyte used is
  1.    Gold chloride
  2.    Gold nitrate
  3.    Gold sulphate
  4.    Potassium aurocyanide
 Discuss Question
Answer: Option C. -> Gold sulphate
Question 15. The deterioration of a metal by an electrochemical process is commonly termed as
  1.    Erosion
  2.    Corrosion
  3.    Passivation
  4.    Abrasion
 Discuss Question
Answer: Option B. -> Corrosion
Question 16. The cathode of a lead storage battery is made up of
  1.    Zinc
  2.    Lead
  3.    Lead oxide
  4.    Manganese dioxide
 Discuss Question
Answer: Option B. -> Lead
Question 17. Aqueous solution of which of the following is a good conductor of electricity
  1.    Ammonium acetate
  2.    Glucose
  3.    Ammonia
  4.    Acetic acid
 Discuss Question
Answer: Option A. -> Ammonium acetate
Question 18. When a lead storage battery is discharged,
  1.    SO2 is evolved
  2.    Lead sulphate is consumed
  3.    Lead is formed
  4.    Sulphuric acid is consumed
 Discuss Question
Answer: Option D. -> Sulphuric acid is consumed
Question 19. In a Carbonyl group a carbon atom makes double bond with
  1.    Carbon
  2.    Oxygen
  3.    Hydrogen
  4.    None of the above
 Discuss Question
Answer: Option B. -> Oxygen
Question 20. Which of the following pairs of materials serves as electrodes in rechargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ?
  1.    Iron and cadmium
  2.    Nickel and cadmium
  3.    Lead peroxide and lead
  4.    Zinc and carbon
 Discuss Question
Answer: Option B. -> Nickel and cadmium

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