EASY
Earn 100

Is saturated Weston standard cell which crystal are used for saturation?

Important Questions on Current Electricity

EASY
Which colourless gas evolves when NH4Cl reacts with zinc in a dry cell battery ?
HARD
Draw a neat labelled diagram of a Dry cell and write the cell reactions taking place at both the electrodes. 
EASY
The cathode reaction in the dry cell will be
EASY
While giving labelled diagram of dry cell write reactions taking place at cathode and anode.
EASY
Which of the following statements regarding the Leclanche cell is TRUE?
EASY
What are primary cells? Describe dry cell in short.
EASY
In a standard weston cell _____ metal gets oxidised at anode. (Write the name of the metal)
EASY
In the dry cell, the reaction which takes place at the anode is _____.
EASY

Why is Weston cadmium cell considered a standard cell.

MEDIUM
A depolarizer used in dry cell batteries is
EASY
In a Leclanche cell, MnO2 acts as _____.
EASY
In dry cell, what acts as negative electrode?
MEDIUM
Describe the construction of the standard weston cell.
HARD
The reactions that occurs at the cathode of a common dry cell is
EASY
Write the reactions taking place at both electrodes of a standard weston cell. Also write the overall cell reaction.
HARD
Sketch and describe the operation of dry cell.
HARD
What are primary cells? Give the construction and working of a dry cell?    
EASY
Which one among the following is an electrochemical cell that cannot be charged?
HARD
Give the different types of batteries and explain the construction and working of each type of battery.