Cambridge Programs Online Courses

O Level Chemistry MCQ Questions

O Level Chemistry MCQs - Chapter

Redox Reactions Multiple Choice Questions and Answers PDF p. 1

Practice Redox Reactions multiple choice questions and answers, O Level quiz answers PDF to solve O Level Chemistry worksheets 1 for online colleges. Solve redox reactions MCQs, Redox Reactions trivia questions and answers for admission and merit scholarships test. "Redox Reactions MCQ" PDF book: redox reactions, redox reaction: oxidation career test for SAT subject tests.

"If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from" Multiple Choice Questions (MCQ) on redox reactions with choices orange to green, orange to red, yellow to green, and yellow to red for accelerated bachelors degree online. Practice redox reactions quiz questions for jobs' assessment test and online courses for colleges that offer online degrees.

MCQs on Redox Reactions 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

2.

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

3.

Which of the following is involved in oxidation?

loss of hydrogen
loss of oxygen
gain in hydrogen
gain in electrons

4.

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

5.

Old paintings became decolorized due to

Lead Sulphide PbS
Lead Sulphate PbSO4
Lead Chloride PbCl2
Lead Oxide PbO