Oxidation Reduction Reactions MCQs Quiz Online PDF Download

Practice oxidation reduction reactions MCQs, O level chemistry MCQ online for test prep. Redox reactions quiz has multiple choice questions (MCQ), oxidation reduction reactions quiz questions and answers as in copper oxide (cuo) and carbon monoxide (co) reaction, reducing agent is, answer key help with choices as cuo, co, cu and co2 problem solving for viva, competitive exam preparation, interview questions. Free study guide is to learn oxidation reduction reactions quiz online with MCQs to practice test questions with answers.

MCQs on Oxidation Reduction Reactions Quiz PDF Download

MCQ. In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction, reducing agent is

  1. CuO
  2. CO
  3. Cu
  4. CO2

B

MCQ. In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction

  1. CO is being oxidized
  2. CuO is being oxidized
  3. CO is being reduced
  4. CuO is being reduced

A

MCQ. Reduction involves

  1. gain in hydrogen
  2. loss of oxygen
  3. loss of hydrogen
  4. Both A and B

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. If Potassium Iodide (KI) acts as oxidizing agent, change occurs from, indicates the presence of

  1. colorless to brown
  2. colorless to blue
  3. brown to colorless
  4. blue to colorless

A