- Indicate the colour change (if any) that would take place if:
a) red litmus paper is dipped into milk
b) blue litmus paper is dipped into vinegar
c) red litmus paper is placed on a slice of lemon
d) yellow turmeric water mixed with calcium carbonate
e) universal indicator paper is dipped into water
a) red litmus paper is dipped into milk
b) blue litmus paper is dipped into vinegar
c) red litmus paper is placed on a slice of lemon
d) yellow turmeric water mixed with calcium carbonate
e) universal indicator paper is dipped into water