Electrical Circuits and Electric Currents Multiple Choice Quiz Questions 4 pdf Download

Practice science quiz 4 on electrical circuits and electric currents MCQs, grade 7 electrolysis multiple choice questions. Free electrolysis guide has science worksheet with answering options copper, sodium, silver and potassium of multiple choice questions (MCQ) with electrolysis quiz as electrolysis is also used to purify for exam prep. Study to learn electrolysis quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents - Quiz 4

MCQ. Electrolysis is also used to purify

  1. sodium
  2. copper
  3. silver
  4. potassium

B

MCQ. Electrolyte used in purification of copper is

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

C

MCQ. Magnets turn on and off that makes electromagnets

  1. useless
  2. very useful
  3. stronger
  4. weaker

B

MCQ. For current to flow, circuit should be

  1. parallel
  2. in series
  3. complete
  4. hot

C

MCQ. Electricity companies charge for

  1. energy
  2. power
  3. resistance
  4. units

D