IGCSE O Level Chemistry MCQs - Chapter 11
Redox Reactions Multiple Choice Questions (MCQs) PDF Download - 1
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The Redox Reactions Multiple Choice Questions (MCQs) with Answers PDF (Redox Reactions MCQs PDF e-Book) download 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): 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 MCQs with Answers PDF Download: MCQ Quiz 1
If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from
- orange to red
- orange to green
- yellow to green
- yellow to red
In an acidified solution of Potassium Dichromate(VI) (K2Cr2O7), Dichromate ion (Cr2O7-2) becomes reduced to
- Chromate (V) ions
- Chromium (III) ions
- Chromium (II) ions
- Chromium (VI) ions
Which of the following is involved in oxidation?
- loss of hydrogen
- loss of oxygen
- gain in hydrogen
- gain in electrons
In a reaction between CuSO4(s) and Zn(s),
- Zinc experiences an increase in the oxidation state
- Zinc experiences a decrease in the oxidation state
- Zinc undergoes reduction
- none of above
Old paintings became decolorized due to
- Lead Sulphide PbS
- Lead Sulphate PbSO4
- Lead Chloride PbCl2
- Lead Oxide PbO
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