Electrolytes App Download – Class 7 Science MCQ e-Book PDF

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The MCQ: Electrolyte used in the purification of copper is; "Electrolytes" App Download [Free] with answers: copper nitrate, copper chloride, copper sulphate, and copper carbonate for homeschool certification courses. Solve Electrical Circuits and Electric Currents Quiz Questions, download Google e-Book (Free Chapter) for virtual elementary school.

Electrolytes MCQs PDF Download – Prep Test

MCQ 1: The electrolyte used in the purification of copper is:

  1. copper nitrate
  2. copper chloride
  3. copper sulphate
  4. copper carbonate

MCQ 2: Electrolyte contains a compound of:

  1. metal on anode
  2. metal on cathode
  3. metalloid on anode
  4. transition metal on cathode

MCQ 3: Metal ions move through the electrolyte to coat the object which is:

  1. nematode
  2. posit rode
  3. anode
  4. cathode

MCQ 4: Water is a poor electrolyte, so an acid is added to increase its conductivity. The acid is:

  1. hydrochloric acid
  2. sulphuric acid
  3. nitric acid
  4. carbonic acid

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