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IGCSE O Level Chemistry Admission Tests: Practice Test 8 (Chapter 11)

Redox Reactions Notes Questions & Answers PDF Download - 8

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The Redox Reactions Notes Questios and Answers PDF (Redox Reactions Quiz Answers PDF e-Book) download Ch. 11-8 to study IGCSE O Level Chemistry Course. Solve Redox Reactions MCQs, Redox Reactions quiz answers PDF to study online classes courses. The IGCSE O Level Chemistry Notes App to Download Free Redox Reactions App to learn oxidation reduction reactions career test for two year degree programs.

The Quiz: Change of orange color of Chromium(VI) (Cr+6) to green color of Chromium(III) (Cr+3) indicates the presence of a; "Redox Reactions" App APK Download [Free] with answers: oxidizing agent, reducing agent, reagent, and drying agent to study online classes courses. Practice Molecules & Macromolecules Quiz Questions, download Kobo eBook (Free Chapter) to study online classes courses.

Redox Reactions Test Questions and Answers PDF Download: MCQ 8

MCQ: 36

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
MCQ: 37

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
MCQ: 38

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
MCQ: 39

Reducing agents does not include

  1. chlorine
  2. carbon
  3. potassium iodide
  4. carbon monoxide
MCQ: 40

At high temperatures, enzymes

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

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