Ammonia turns red litmus paper blue, but does not have any effect on blue litmus parer, since it is a base.
The color become red.
Litmus paper turn to red color.
Red color in acidic solutions and blue color in basic solutions.
The color turn on blue.
The water solution of iodine turn blue litmus paper to red.
The paper turn on blue.
Litmus paper turn to red color.
In a neutral solution litmus has a purple color.
The color of litmus paper in acidic solutions is red.
Red color in acidic solutions and blue color in basic solutions.
Coffee has an acidic pH - red with litmus paper.
I believe, that acid makes blue litmus paper turn red.
The color turn on blue.
The litmus paper will turn red.
Acid: Red litmus
If you are using red litmus paper, a base will turn the litmus paper blue.
turns blue litmus paper red
The water solution of iodine turn blue litmus paper to red.