Black ink may be made in a wide variety of ways, the easiest is simply to use finely divided carbon black particles (e.g. from soot) in which case the only color in the ink is black.
Dyes of different colors in black ink can be separated using chromatographic techniques.
To remove black ink from the bed sheets. You require an amount of petrol for wash your bed sheet. Then pour it in detergent hot water and wash it softly. It may possible black ink disappear from the bed sheets.
Despite its name, black holes have no color. This is because color is basically light detected by your eyes. Since light cannot escape from a black hole, it has no color. However, the rings of matter that have not yet fallen in to the black hole may have a variety of colors.
Take a black water soluble marker and draw a decent size dot in the middle or a coffee filter. Dip a finger in water and drop a few drops on the dot and watch the colors spread.
Black ink was invented in 900 a.d. by the chinese. Ink contains dyes and some powder rocks.
Black ink may be made in a wide variety of ways, the easiest is simply to use finely divided carbon black particles (e.g. from soot) in which case the only color in the ink is black.
Black is a combination of all colors.
Black....
Dyes of different colors in black ink can be separated using chromatographic techniques.
chromatography
You can do so by heating the ink. This way, water will evaporate , leaving the colored component ( dye ) behind. sources --> NCERT class nine book (:
that's not possible; blue, red and yellow are the basic colors
This merely depends on what color the ink is. Black ink is a mixture of at least 4 different colors.
Yellow red and blue
Color printers use all of the colors plus a little black ink to make black. Since the other colors come in smaller cartridges you'll be replacing them more often than the black.
Officejet printer ink consists of four main color groups. that can be mixed to create all visible colors. Their main colors consist of black, yellow, blue, and red.
1.black 2.blue 3.red