O Level Courses

Chapter 11: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 11

Redox Reactions Multiple Choice Questions (MCQs) PDF Download - 1

The Redox Reactions Multiple Choice Questions (MCQs) with Answers PDF, Redox Reactions MCQs PDF Download e-Book Ch. 11-1 to study IGCSE O Level Chemistry Course. Practice Redox Reactions MCQs, Redox Reactions quiz questions and answers PDF for SAT subject tests. The Redox Reactions MCQs App Download: Free learning app for redox reaction: oxidation career test to study online school courses.

The Multiple Choice Question (MCQ Quiz): If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from; "Redox Reactions" App Download (Free) with answers: Orange to green; Orange to red; Yellow to green; Yellow to red; for SAT subject tests. Solve Acids: Properties & Reactions Quiz Questions, download Google eBook (Free Sample) for colleges that offer online degrees.

Redox Reactions Questions and Answers PDF Download: MCQ Quiz 1

MCQ 1:

If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from

  1. orange to red
  2. orange to green
  3. yellow to green
  4. yellow to red
MCQ 2:

In an acidified solution of Potassium Dichromate(VI) (K2Cr2O7), Dichromate ion (Cr2O7-2) becomes reduced to

  1. Chromate (V) ions
  2. Chromium (III) ions
  3. Chromium (II) ions
  4. Chromium (VI) ions
MCQ 3:

Which of the following is involved in oxidation?

  1. loss of hydrogen
  2. loss of oxygen
  3. gain in hydrogen
  4. gain in electrons
MCQ 4:

In a reaction between CuSO4(s) and Zn(s),

  1. Zinc experiences an increase in the oxidation state
  2. Zinc experiences a decrease in the oxidation state
  3. Zinc undergoes reduction
  4. none of above
MCQ 5:

Old paintings became decolorized due to

  1. Lead Sulphide PbS
  2. Lead Sulphate PbSO4
  3. Lead Chloride PbCl2
  4. Lead Oxide PbO

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Redox Reactions App (Android & iOS)

Redox Reactions App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (iOS & Android)