there natural color it did not change their color
The natural color of litmus paper is purple. It turns red in acidic solutions and blue in basic solutions.
In a neutral solution litmus has a purple color.
Litmus is a natural dye that changes color in response to acidity. When litmus is blue, it indicates the substance is basic (pH greater than 7). When litmus turns red, it signifies the substance is acidic (pH less than 7).
Methanol is a neutral substance and typically does not change the color of litmus paper. Litmus paper changes color in the presence of acidic or alkaline substances.
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Red color in acidic solutions and blue color in basic solutions.
Color of litmus will change.Red litmus will change into blue.
litmus is a natural indicator because it is obtained from a natural source e.g. lichens mainly roccella tinctoria.it is not synthesized in the laboratory.
The color of litmus paper in acidic solutions is red.
an acid turns the litmus paper red.
Acid: Red litmus