Paper pulp is grayish or brownish-gray when first made. If left untreated, it will remain that same grayish color. To alter the color, the pulp is bleached, and then to make the finished product in the myriad of colors that are available, dies are added.
It's because the sunlight decolor the colored paper. The sunlight makes the color of paper to another color.
The color of the paper changes based on the acidity or alkalinity of the solution it is dipped in. By comparing the color of the paper to a pH color chart, the pH of the solution can be determined.
how does water attect the color of thepH paper
It is purple color.
Filter paper is white.
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.
The Financial Times newspaper's paper is light salmon pink in color.
Litmus paper: red color in acidic solutions and blue color in basic solutions.Phenolphthalein: no color in acidic solutions.
You can not change the color of Mario in the original Paper Mario, but you can change your color in Paper Mario The Thousand Year Door
The litmus paper is turned to red color in acidic solutions.
The color of litmus paper in acidic solutions is red.
I guess it would depend on the color of the pen to the color of the paper.