Oxidation Reduction Reactions MCQs Quiz Online PDF Download

Learn oxidation reduction reactions MCQs, O level chemistry test for online courses learning and test prep to practice. Redox reactions quiz has multiple choice questions (MCQ), oxidation reduction reactions quiz questions and answers to learn for private high school online tests.

IGCSE chemistry practice test MCQ on in copper oxide (cuo) and carbon monoxide (co) reaction, reducing agent is with options cuo, co, cu and co2 problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning oxidation reduction reactions quiz 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 presence of

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

A