Polarization MCQ (Multiple Choice Questions) PDF Download

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

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

In a dry cell, the polarization is prevented through

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

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

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