Sail E0 Webinar

General Knowledge > General Science

CHEMISTRY MCQs

Total Questions : 2589 | Page 54 of 259 pages
Question 531. Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?
  1.    Chlorofluorocarbons
  2.    Nitrous oxide
  3.    Sulphur dioxide
  4.    Carbon dioxide
 Discuss Question
Answer: Option A. -> Chlorofluorocarbons
Question 532. Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ?
  1.    Landfills
  2.    Incineration
  3.    Pyrolysis and Gasification
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 533. Which one of the following group of gases contributes to the 'Green House Effect'?
  1.    Carbon dioxide and Methane
  2.    Ammonia and Ozone
  3.    Carbon monoxide and Sulphur dioxide
  4.    Carbon tetraflouride and Nitrous oxide
 Discuss Question
Answer: Option A. -> Carbon dioxide and Methane
Question 534. Black lung disease occurs in people working in
  1.    Electroplating industry
  2.    Organic solvents industry
  3.    Paint manufacturing industry
  4.    Coal mines
 Discuss Question
Answer: Option D. -> Coal mines
Question 535. The least preferred technique in the disposal of Municipal Solid Waste is
  1.    Incineration
  2.    Composting
  3.    Land filling
  4.    Bricketting
 Discuss Question
Answer: Option D. -> Bricketting
Question 536. Which one of the following was used as a chemical weapon in the first world war ?
  1.    Carbon monoxide
  2.    Hydrogen cyanide
  3.    Mustard gas
  4.    Water gas
 Discuss Question
Answer: Option C. -> Mustard gas
Question 537. The depletion of ozone layer is due to
  1.    Chlorofluorocarbons
  2.    Carbon dioxide
  3.    Sulphur dioxide
  4.    Ethane
 Discuss Question
Answer: Option A. -> Chlorofluorocarbons
Question 538. Ozone depletion in the atmosphere is mainly caused by
  1.    Sulphur dioxide
  2.    Nitrogen dioxide
  3.    Hydrogen sulphide
  4.    Chlorofluorocarbon
 Discuss Question
Answer: Option D. -> Chlorofluorocarbon
Question 539. Ozone depletion in the stratosphere is mainly caused by
  1.    SO2
  2.    NO2
  3.    NO
  4.    Chlorofluorocarbons
 Discuss Question
Answer: Option D. -> Chlorofluorocarbons
Question 540. Which of the following is not a gaseous air pollutant?
  1.    Oxides of nitrogen
  2.    Hydrocarbon
  3.    Smoke
  4.    Oxides of sulphur
 Discuss Question
Answer: Option B. -> Hydrocarbon

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