Redox Reactions Multiple Choice Questions Test 1 Tests pdf Download

Practice O level chemistry test 1 with MCQ on redox reactions test for online learning. Learn redox reactions multiple choice questions (MCQ) on redox reactions, redox reaction: oxidation with answers. Free redox reactions revision notes has answer key with choices as orange to green, orange to red, yellow to green and yellow to red of multiple choice questions (MCQ) as if acidified potassium dichromate(vi) (k2cr2o7) acts as oxidizing agent, color changes from to test learning skills. Study to learn redox reactions quiz questions to practice MCQ based online exam preparation test.

MCQ on Redox Reactions: Test 1 Quiz pdf Download

MCQ. 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

C

MCQ. 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

B

MCQ. Oxidation involves

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

A

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

  1. Zinc experiences an increase in oxidation state
  2. undergoes oxidation
  3. Zinc undergoes oxidation
  4. all of these

D

MCQ. Old paintings became discolourised due to

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

A

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