It would turn purple because it is used in the house. So it is a household item.
Coke is acidic; a red color.
dark green
If it is pure water, it doesn't change.
yes but, pH paper was not made to be used again and again Your results will not be as accurate
If you are testing with Universal Indicator or the Litmus Test it will turn red.
yellow
Shampoo is slightly acidic, If using universal indicator paper I would say light orange/yellow. This is because the acidity helps make the cuticle smoother, making the small overlapping scales on the hair lie flat.
Shampoos are lighty acidic, with a pH between 6 and 7; with the Merck pH paper art. 9565 the color can be a shade of green.
orange
Otgfcch
if pH paper is dipped in a strong acid it turns red and if the same pH paper is dipped in the weak acid it turns blue
blue because it is a weak alkali
Coke is acidic; a red color.
blue
It stays blue.
The litmus paper will turn red.
The color become blue.