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Redox Reactions Worksheet with Answers PDF Download eBook - 8

Practice Redox Reactions worksheet with answers PDF, redox reactions trivia worksheets with answers key, GCE O level chemistry test 8 for online certification. Learn redox reactions MCQs, Redox Reactions quiz questions and answers for admission and merit scholarships test. Learn redox reactions, oxidation reduction reactions career test for best online SAT prep class.

"Change of orange color of Chromium(VI) (Cr+6) to green color of Chromium(III) (Cr+3) indicates the presence of a" Multiple Choice Questions (MCQ) on redox reactions with choices oxidizing agent, reducing agent, reagent, and drying agent for college entrance exams. Practice redox reactions quiz questions for jobs' assessment test and online courses for free online college classes.

MCQs on Redox Reactions Quiz PDF Download eBook

MCQ: Change of orange color of Chromium(VI) (Cr+6) to green color of Chromium(III) (Cr+3) indicates the presence of a

  1. reducing agent
  2. oxidizing agent
  3. reagent
  4. drying agent

A

MCQ: Which of the following option is correct in case of exothermic reactions?

  1. making of chemical bond
  2. more common reactions
  3. burning of carbon
  4. all of above

D

MCQ: When dichromate (VI) ion becomes reduced to chromium (III) ion, a change of color occurs from

  1. purple to pink
  2. purple to colorless
  3. orange to purple
  4. orange to green

D

MCQ: Reducing agents does not include

  1. chlorine
  2. carbon
  3. potassium iodide
  4. carbon monoxide

A

MCQ: At high temperatures, enzymes

  1. act very rapidly
  2. get denatured
  3. form cations
  4. form anions

B