Redox Reactions Multiple Choice Questions and Answers 1 PDF Download

Redox reactions multiple choice questions, learn O level chemistry online test prep 1 for e-learning, free online courses prep. Practice redox reactions multiple choice questions (MCQs), redox reactions quiz questions and answers. Learn redox reactions, redox reaction: oxidation career test prep for online basic chemistry courses distance learning.

Study redox reactions career test with multiple choice questions, if acidified potassium dichromate(vi) (k2cr2o7) acts as oxidizing agent, color changes from, for online certificate programs with choices orange to green, orange to red, yellow to green, yellow to red with common interview questions and answers for online pre-employment assessment of job seekers. Practice skills assessment test for online learning redox reactions quiz questions with Cambridge chemistry MCQs for chemistry certification competitive exam prep.

MCQ on Redox Reactions Test 1Quiz 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 the 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