Select the incorrect statement for a dry cell.

Why is a finely divided particle layer of $Pt$ and $Pd$ provided on the electrodes of a fuel cell?

Which statement is incorrect for a galvanic cell?

What is the change in oxidation number of $Pb$ at the positive electrode of a lead accumulator acting as a galvanic cell?

Limiting molar conductivity of $Mg^{2+}$ and $Cl^{-}$ ions in water is $106.0 \ S \ cm^2 \ mol^{-1}$ and $76.3 \ S \ cm^2 \ mol^{-1}$ respectively. The limiting molar conductivity of magnesium chloride (in $S \ cm^2 \ mol^{-1}$) in water is

What is the function of a salt bridge in a Daniell cell?