A1 - Metal Oxides and Hydroxides Flashcards
Define a base
A compound that reacts with an acid to form a salt and water
What type of substance reacts with an acid to form a salt and water?
A base
Define an acid
A compound containing hydrogen that dissociates to form hydrogen ions (H+)
What type of compound contains hydrogen and dissociates to form hydrogen ions (H+)?
An acid
Define a salt
Formed when a base and alkali neutralise
What type of compound is formed when a base and alkali neutralise
A salt
Define the term amphoteric
A substance that can act as an acid or a base
What is the name for a substance that can act as an acid or a base
Amphoteric
What is the formula of alumina?
Al2O3
What is the name of Al2O3?
Alumina
What is a property of Al2O3?
Amphoteric
Give an example of an amphoteric substance
Al2O3
What type of substance are metal oxides and metal hydroxides?
Bases
Give an example of a base
MgO, Na2O, Mg(OH)2, Ca(OH)2
What type of chemicals are MgO, Na2O, Mg(OH)2, CaOH?
Bases
What type of substance are non-metal oxides?
Acids
What type of substance are SO2, NO2, NO3, and P4O10?
Acid
Give an example of an acid that is not HCl, H2SO4, H3PO4, or HNO3
SO2, NO2, NO3, or P4O10
What ion causes metal oxides to act as bases?
O2-
The O2- ion causes metal oxides to act as what?
Bases
What ion do acids give up?
H+
What type of reaction takes place between acids and bases?
Neutralisation
