IGCSE O Level Chemistry Online Tests
Redox Reactions MCQ (Multiple Choice Questions) PDF Download
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The Redox Reactions Multiple Choice Questions (MCQ Quiz) with Answers PDF (Redox Reactions MCQ PDF e-Book) download to practice IGCSE O Level Chemistry Tests. Study Redox Reactions Multiple Choice Questions and Answers (MCQs), Redox Reactions quiz answers PDF to learn online GCSE courses. The Redox Reactions MCQ App Download: Free learning app for oxidation and reduction, redox reactions test prep for free online college courses.
The MCQ: In an acidified solution of Potassium Dichromate(VI) (K2Cr2O7), Dichromate ion (Cr2O7-2) becomes reduced to; "Redox Reactions" App Download (Free) with answers: Chromate (V) ions; Chromium (III) ions; Chromium (II) ions; Chromium (VI) ions; to learn online GCSE courses. Practice Redox Reactions Quiz Questions, download Apple eBook (Free Sample) for schools that offer certificate programs.
Redox Reactions MCQ (PDF) Questions Answers Download
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
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
In a reaction between CuSO4(s) and Zn(s),
- copper gains electrons
- copper is being reduced
- copper experiences a decrease in oxidation state
- all of above
IGCSE O Level Chemistry Practice Tests
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