Part 7 Redox Flashcards
What is meant by the term “primary cell” ?
A cell that cannot be recharged.
What is meant by the term “secondary cell” ?
A cell that can be recharged
What is the use of salt bridge ?
To complete the circuit.
What is the function of the porous device.
Allow ions to pass through // To complete the circuit
What is meant by the term “electrolyte” ?
Electrolyte is a compound that conducts electricity when melted or dissolved in water. //
Electrolyte is a substance that consist of mobile ions when melted or dissolved in water. //
Electrolyte is a substance that undergoes decomposition when electricity is passing through it.
State a safety precaution in diluting acid/alkali.
Add the acid/alkali slowly to a large amount of water with stirring, but not vice versa. This is because when concentrated acids or alkalis are mixed with water, a large amount of heat is given out. This can cause the liquids to splatter.
