BATTERY

This battery can be charge once drain or weak, What is this classification of battery?

• Lead acid battery

• Primary cell

• Secondary cell

• Vented

PbO2 means

• Lead dioxide

• Lead peroxide

• Lead sulfate

• Sponge lead

Group of cells either they connected in series or parallel is called as

• Cell

• Battery

• Ammeter

• Wattmeter

Examples of primary batteries

• Leclanche battery

• Zinc-chlorine battery

• Alkaline-magnese battery

• All the of the above

Which of the following statements is false?

• A Leclanché cell is suitable for use in torches

• A nickel–cadmium cell is an example of a primary cell

• A secondary cell may be recharged after use

• When a cell is being charged its terminal p.d. exceeds the cell e.m.f.

The given reaction is for lead storage batteries done under acid (H₂SO₄ is an acid). What species is being reduced in this reaction?

• Pb

• PbO₂

• H₂SO₄

• None of the above

The given reaction is for lead storage batteries done under acid (H₂SO₄ is an acid). What species is being oxidized in this reaction?

• Pb

• PbO₂

• H₂SO₄

• None of the above

The given reaction is for a nickel-cadmium battery, in a basic solution (a base dissolved in water). What species is being reduced in this reaction?

• NiO(OH)

• Cd

• H₂O

• None of the above

The given reaction is for a nickel-cadmium battery, in a basic solution (a base dissolved in water). What species is being oxidized in this reaction?

• NiO(OH)

• Cd

• H₂O

• None of the above

An electrochemical cell that is used to convert chemical energy into electrical energy

• electrolysis
• electrode
• voltaic cell
• anode