If you add red litmus paper and it remains red, then you add blue litmus paper and it remains blue, then the the solution is neutral.
Kamal
Litmus paper turns red in the presence of an acid. If the litmus paper is red to begin with, there will be no color change.
When red litmus paper is in an acidic solution the color stays the same and if anything a little more white.
Vinegar is an acid solution Lithmus is RED in acid, below pH 4.5 and blue above pH 8.3
Red color in acidic solutions and blue color in basic solutions.
It stays red.
It will turn blue
Sour milk is acidic. Red litmus paper should not change.The sour part of sour milk is lactic acid. As litmus paper turns red when exposed to acidic compounds, litmus paper that is already red should not react when exposed to lactic acid.
vinegar - it is an acid.
Any acid will turn litmus paper red, Household examples would be most juices, vinegar, and carbonated drinks.
it can turn red pH paper blue and blue pH paper red
When blue litmus paper touches an acid it becomes red. This is the type of litmus paper that detects acids. When red litmus paper touches an acid, it will remain red. This is used to test a base.
ehydhd
Blue litmus paper turns into red.
It turns blue
It will turn blue
When an acid touches Litmus paper it turns red (pink).
Sour milk is acidic. Red litmus paper should not change.The sour part of sour milk is lactic acid. As litmus paper turns red when exposed to acidic compounds, litmus paper that is already red should not react when exposed to lactic acid.
it turns blue litmus paper red
Because Vinegar is an acid, the litmus paper would turn red
If if it is red Litmus paper, then it will remain red because vinegar is acidic. (Blue Litmus paper would turn red if you dipped it into vinegar).
When litmus paper touches an acid, the paper changes to red. When it touches a base, the paper changes to blue. By comparing the color the litmus paper changed to by a chart, you could determine how strong or weak that acid or base is.
I believe it turns blue. Ammonia is a base, so whatever color red litmus paper turns when it's in contact with a base!