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IGCSE O Level Chemistry Competitive Exam MCQs – Practice Test 21 (Chapter 4)

Electricity and Chemistry MCQs with Answers PDF Download – Test 21

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The "Electricity and Chemistry MCQs" App Download: Metal core in power cable is normally made up of; MCQ with answers: aluminum only, steel only, nickel, and steel and aluminum. Solve Molecules & Macromolecules Quiz Questions, download Google e-Book (Free Chapter) to strengthen chemistry virtual development.

Electricity & Chemistry MCQs with Answers PDF Download: MCQ Quiz 21

MCQ 101: The brightness of battery light depends on the:

  1. polarization
  2. difference in the reactivity series of two metals in the battery
  3. volts of bulb attached to the battery
  4. none of above

MCQ 102: Metal core in power cable is normally made up of:

  1. steel only
  2. aluminum only
  3. nickel
  4. steel and aluminum

MCQ 103: Distilled water is an example of:

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

MCQ 104: The difficulty of discharge is lowest in:

  1. sulphate ions
  2. nitrate ions
  3. chloride ions
  4. bromide ions

MCQ 105: Sugar solution (C12H22O11) is:

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

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