Blue, Because it's a cleaner. So it needs to be more base than acid. So, BLUE!
Blue.
Litmus paper.
In a neutral solution the litmus paper is purple.
Litmus paper turn to red color.
the red litmus paper turns to blue
Red color in acidic solutions and blue color in basic solutions.
Litmus paper.
In a neutral solution the litmus paper is purple.
Litmus paper turn to red color.
The color of litmus paper in acidic solutions is red.
Some substances do not change the color of litmus paper because they are neither acid or nor base. They are called neutral substances.
Blue litmus paper
the red litmus paper turns to blue
In a neutral solution litmus has a purple color.
Red color in acidic solutions and blue color in basic solutions.
Coffee has an acidic pH - red with litmus paper.
The litmus paper will turn red.
Blue litmus paper turns red in acid red litmus paper turns blue in alkali.