Year 11 Chemistry relevant revision Flashcards
1
Q
What colour does universal indicator turn when added to an acid?
A
Red
2
Q
What colour does phenolphthalein turn in an acid?
A
Colourless
3
Q
What colour does phenolphthalein turn in a base?
A
Pink
4
Q
What colour does methyl orange turn in a base?
A
Yellow
5
Q
What colour does methyl orange turn in a acid?
A
Red
6
Q
What are the mass formulas?
A
m = n x M.
7
Q
Number of moles forumlas?
A
n = m/M or. n = c x v
8
Q
Concentration formula?
A
c = n/v
