What is the colour of litmus in acid?
a) red
b) blue
c) yellow
d) pink
What is the colour of litmus in alkali?
a) red
b) blue
c) yellow
d) pink
What is the colour of methyl orange in acid?
a) red
b) blue
c) yellow
d) pink
What is the colour of methyl orange in alkali?
a)red
b) blue
c) yellow
d) pink
What is the colour of phenolphthalein in acid?
a) colourless
b) blue
c) yellow
d) pink
What is the colour of phenolphthalein in alkali?
a)colourless
b) blue
c) yellow
d)pink
