Acids
the weak acid found in fruit such as lemons
citric acid
What is the pH range for base?
8 -14
an acid-base reaction that produces a salt and water
neutralisation
how strong or weak a liquid is, how much is dissolved in a liquid
concentration
something that gives off H+ ions when mixed with water
Acids
the strong acid found in the human stomach (HCl)
hydrochloric acid
What another name for base?
alkali
hydroxide ion: Chemical Formula
OH-
to add a substance to water to make a liquid more strong
concentrate
something that gives off OH+ ions when mixed with water
Base
a strong acid which contains nitrogen (HNO3)
nitric acid
a strong base used in oven cleaner (danger!)
sodium hydroxide
hydrogen ion: chemical formula
H+
something that tells us whether a substance is acidic or basic
indicator
to add water to make a liquid less strong
dilute
a strong acid which contains sulphur found in car batteries(H2SO4)
sulphuric acid
chemical formula for sodium hydroxide
NaOH
something which has more hydrogen ions than hydroxide ions
acidic
something which has more hydroxide ions than hydrogen ions
basic
chemical formula for sulphuric acid
H2SO4
What is the pH range for acid?
one to 6
a strong base with a strong smell found in some cleaning products
ammonia
a scale from 1 to 14 where 1 to 6 is acidic and 8 to 14 is basic
pH Scale
A solution with a pH of 7.
neutral
chemical formula for hydrochloric acid
HCl