Electricity and Chemistry Multiple Choice Questions and Answers 4 PDF Download

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MCQ on Electricity and Chemistry Test 4Quiz PDF Download

MCQ: Examples of non-conductors include

  1. sulphur
  2. phosphorus
  3. wood
  4. all of these

D

MCQ: Cations are

  1. positively charged ions
  2. negatively charged ions
  3. travel towards anode during electrolysis
  4. travel towards anode during polarization

A

MCQ: Duration of bright-bulb is shorter in a magnesium-copper battery because

  1. the difference of copper ad magnesium in reactivity series is lesser
  2. the polarization occurs too quickly
  3. magnesium is highly reactive and dissolves very rapidly in acid
  4. all of these

C

MCQ: Polarization occurs due to

  1. rapid dissolving of magnesium in dilute acid
  2. slow dissolving of magnesium in conc. Acid
  3. copper electrode gets covered with bubbles of hydrogen gas
  4. copper electrode gets covered with bubbles of ammonia gas

C

MCQ: Conventionally, negative terminals is shown as

  1. a long thin line
  2. a short fat line
  3. a long wavy line
  4. a short wavy line

B