It will become red !
what is the initial and final colour of the lemon juice
When dipped in lemon juice, pH paper typically turns red or pink. This indicates that the lemon juice is acidic.
blue
Lemon juice contains citric acid so blue litmus paper dipped in lemon juice will turn red indicating that it is acidic.
A green-y yellow.
Lemon juice is an acid and blue litmus paper turns red when dipped in an acidic liquid.
red
the colour of lemons
Red
Lemon juice contains citric acid so blue litmus paper dipped in lemon juice will turn red indicating that it is acidic.Blue litmus paper become red in acidic solutions (lemon juice contain citric acid).
No colour change, just a very light watery yellow colour that comes out of a lemon.
Brown!