Topic 10 - Making Electricity

Batteries are a store of chemical energy which can be converted into _________ energy?

What takes place when a battery supplies electricity?

What is electricity?

What kind of batteries are rechargable?

The conducting substance which connects and completes the ciruit is called the...?

Give an example of an electrolyte

Why must an electrolyte be in solution or in a paste?

In a cell different pairs of metals give different _________ readings?

What kind of reaction takes place when atoms of a metal higher in the electrochemical series are added to a solution of ions of a metal lower in the electrochemical series?

During a displacement reaction the atoms of the metal higher in the electrochemical series ____ electrons forming postive ions in solution?

During a displacement reaction the atoms of the metal lower in the electrochemical series _____ electrons forming atoms of the metal?

Why is an ion bridge needed in a cell?

An oxidation reaction involves a ____ of electrons?

A reduction reaction involves a ____ of electrons?

A metal element reacting to form a compound is an example of ______?

A compound reacting to form a metal element is an example of ______?

Oxidation and reduction reactions together are called a....?

What are the advantages of using batteries instead of mains electricity?

What are the disadvantages of using batteries of mains electricity?