acids and alkalis Flashcards
1
Q
solute
A
substance dissolved in a solution
2
Q
solvent
A
liquid used to dissolve substance
3
Q
concentration
A
mass of solute/volume of solvent
4
Q
dilute acid
A
high concentration of water, low concentration of acid
5
Q
concentrated acid
A
low concentration of water, high concentration of acid
6
Q
dm2 to litres
A
1dm2=1L
7
Q
dm3 to cm3
A
1dm3=1000cm3
8
Q
release of hydrogen ions
A
released when an acid dissolves in water
9
Q
release of hydroxide ions
A
when alkalis dissolve in water
10
Q
strong acid
A
when acid molecules fully dissociate
11
Q
weak acid
A
when acid molecules partially dissociate
12
Q
litmus solution in acid, water and alkali
A
red, purple, blue
13
Q
universal indicator in acid, water, alkali
A
red, green, blue
14
Q
methyl orange in acid, water, alkali
A
red, yellow, yellow
15
Q
phenolphthalein in acid, water, alkali
A
-, -, pink
