It turns blue because it's a base.
If it was a acid then it will turn red.
Blue litmus paper turns RED in an acid. Red litmus paper turns BLUE in a base.
Blue litmus paper turns pink when dipped into a base. This is because the color change indicates a shift in pH level from acidic to basic.
A strip of litmus paper will turn red in an acidic solution.
The solution is alkaline, because litmus paper remains blue in alkaline solutions and turns red in acidic solutions.
The blue litmus paper will not change color. Red litmus would turn blue in the presence of ammonia. Blue litmus paper will only change color in the presence of an acid, at which point it will turn red.
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Blue litmus paper turns RED in an acid. Red litmus paper turns BLUE in a base.
Blue litmus paper turns pink when dipped into a base. This is because the color change indicates a shift in pH level from acidic to basic.
Bleach turns litmus paper blue because it is a base (pH levels 12-14)
it will remain blue as it is a base.
Red litmus paper remains red when dipped into an acid. Blue litmus paper will turn red in an acid. Similarly, Blue litmus remains blue in a base. Red litmus turns blue in a base.
A strip of litmus paper will turn red in an acidic solution.
The solution is alkaline, because litmus paper remains blue in alkaline solutions and turns red in acidic solutions.
The red litmus paper dipped into household ammonia will turn blue. This is because ammonia is a base and reacts with the acidic red litmus paper, causing it to change color to blue.
The blue litmus paper will not change color. Red litmus would turn blue in the presence of ammonia. Blue litmus paper will only change color in the presence of an acid, at which point it will turn red.
Litmus paper will turn blue when dipped in nail polish remover, indicating a basic pH. Nail polish remover typically contains acetone, which is a weak base.