EMF of a Cell Quiz

Which of the following is NOT required for determining the EMF of a cell?

• Zinc strip

• Copper strip

• Ammonium chloride

• Voltmeter

What is the purpose of using sandpaper in the experiment?

• To measure the solution concentration

• To polish the beakers

• To connect the wires

• To clean the metal strips

How are the copper and zinc strips connected in the experiment?

• With a rubber band

• Using a magnet

• Through a salt bridge

• Directly to each other

What does the voltmeter measure in this experiment?

• The concentration of the solutions

• The weight of the metal strips

• The temperature of the solutions

• The EMF of the cell

What effect does increasing the concentration of the electrolyte around the cathode have on the EMF?

• It makes the EMF zero

• It decreases the EMF

• It has no effect on the EMF

• It increases the EMF