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Free "Electricity and Chemistry Quiz" App Download (iOS & Android) with MCQ: Weak acids are weak electrolytes because of the presence of; with answers: high number of ions, lower valence electrons, high number hydrogens, and low number hydrogens. Study GCE O Level Chemistry Quiz Questions, download Google Book (Free Chapter) for chemistry technology enabled education.

Electricity & Chemistry Exam Questions and Answers PDF Download: Test 19

MCQ 91: Weak acids are weak electrolytes because of the presence of:

  1. lower valence electrons
  2. high number of ions
  3. high number hydrogens
  4. low number hydrogens

MCQ 92: Saucepans can be manufactured through the electrolysis of:

  1. nickel
  2. galvanized zinc
  3. chromium
  4. copper

MCQ 93: Paraffin is an example of:

  1. strong electrolyte
  2. non-electrolyte
  3. weak electrolyte
  4. catalyst

MCQ 94: In the electrolysis of aqueous solutions of dilute acids or dilute alkalis, the amount of hydrogen given off is roughly:

  1. half of the oxygen given off at the anode
  2. same as of oxygen given off at anode
  3. twice the oxygen given off at anode
  4. twice the oxygen given off at cathode

MCQ 95: Electroplating of chromium helps in the manufacturing of:

  1. car bumpers
  2. saucepans
  3. cutlery
  4. watches

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