Polarization Multiple Choice Questions with Answers – PDF Download

MCQ 1: In polarization, positive side attracts the:

1. negative side of the water molecules
2. positive side of the water molecules
3. substance dissolves completely in water
4. none of above

MCQ 2: 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

MCQ 3: In a dry cell, the polarization is prevented through:

1. potassium hydroxide mixture
2. ammonium nitrate mixture
3. manganese oxide
4. Sodium hydroxide mixture

MCQ 4: Oxidation of Hydrogen Gas (H₂) to prevent polarization occurs through:

1. paste of manganese oxide
2. depolarizing mixture of manganese oxide and ammonium chloride
3. powdered carbon
4. carbon acting as the negative terminal

MCQ 5: Polarization refers to the:

1. prevention of electricity flowing in the electrolyte solution
2. rapid dissolving of magnesium in dilute acid
3. slow dissolving of magnesium in conc. Acid
4. electricity flowing in the electrolyte solution