when disolved in water has a PH of less than 7. Acids are proton H+ doners.
1 of 15
alkali
its solution has a PH of more than 7
2 of 15
base
the oxide, hydroxide or carbonate of a metal that will react with an acid to form a salt and water. are proton H+ acseptors
3 of 15
displacement reaction
a reaction in which a more reactive element takes the place of a less reactive elemant in its compound or in a soluton
4 of 15
electrolosis
the break down of a substance contaning ions usion electrisity.
5 of 15
equlibrium
the point in a reversable reation at which the forwawrd and backward rate of a reaction are the same. so the amount of the reacting substances remane constante.
6 of 15
half equation
an equation that shows only the reduction or oxidation
7 of 15
ionic equation
an equation that shows only those ions or attoms that change in a chemical reaction
8 of 15
metal ore
a rock that contains enoughth of a a metal or metal compound to be worth extracting
9 of 15
neutral
a solution with a PH of 7 whcih. or something which has no overall charge.
10 of 15
neutralisation
the chemical reaction of an acid with a base where a salt and water are formed. if the base is a carbonate or a hydro carbonate carbon dioxide is formed
11 of 15
oxydation
where oxygen is added to a substance or when electrons are lost from a substance
12 of 15
PH
a number which shows how acidic or alkaline a solution is
Comments
No comments have yet been made