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General Science

CHLORINE GAS MCQs

Total Questions : 20

Page 1 of 2 pages
Question 1. Chlorine gas is prepared commercially by:
  1.    electrolysis of carbon tetrachloride.
  2.    oxidation of chloride ion with F2(g).
  3.    electrolysis of NaCl(aq).
  4.    xidation of chloride ion with Br2(aq).
 Discuss Question
Answer is Option C. -> electrolysis of NaCl(aq).
Question 2. The name 'chlorine' comes from the Greek word khlôros meaning:
  1.    yellow
  2.    odorous
  3.    poisonous
  4.    green
 Discuss Question
Answer is Option D. -> green
Question 3. Chlorine gas reacts with _______ to form bleaching powder
  1.    dry slaked lime
  2.    dil. solution of Ca(OH)2
  3.    conc. solution of Ca(OH)2
  4.    dry CaO
 Discuss Question
Answer is Option A. -> dry slaked lime
Question 4. What is the molecular mass of chlorine?
  1.    35.5 g/kmole
  2.    71.0 kg/kmole
  3.    71.0 g/kmole
  4.    35.5 kg/mole
 Discuss Question
Answer is Option B. -> 71.0 kg/kmole
Question 5. Deacon’s process is used to manufacture
  1.    nitric acid
  2.    sulphuric acid
  3.    chlorine
  4.    bleaching powder
 Discuss Question
Answer is Option C. -> chlorine
Question 6. Who suggested the name chlorine for the first time?
  1.    Davy
  2.    Scheele
  3.    Priestley
  4.    Rutherford
 Discuss Question
Answer is Option A. -> Davy
Question 7. Which of the following is produced on the reaction of bleaching powder with a few drops of conc
  1.    Oxygen
  2.    Chlorine
  3.    Calcium oxide
  4.    Hypochlorous acid
 Discuss Question
Answer is Option B. -> Chlorine
Question 8. Which of the following would instantly react with chlorine?
  1.    Copper
  2.    Magnesium
  3.    Iron
  4.    Aluminum
 Discuss Question
Answer is Option B. -> Magnesium
Question 9. What is the color of chlorine?
  1.    Yellow
  2.    Green yellow
  3.    Greenish brown
  4.    Yellow grey
 Discuss Question
Answer is Option B. -> Green yellow
Question 10. When excess chlorine reacts with methane in presence of sunlight, which is the major product?
  1.    Refrigerant – 40
  2.    Chloroform
  3.    Methylene chloride
  4.    Carbon tetrachloride
 Discuss Question
Answer is Option D. -> Carbon tetrachloride
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