i turns yellow
and it turns pink when you add acids
Pink in acid & Yellow in bases/alkalis
Red cabbage juice is used; the color is red in acidic solutions.
yellow
At a pH of 10-11 the color of the red beetroot juice change from red to yellow.
The juice of red beetroot change the color from red to yellow at a pH greater than 10.
The color does not change unless an indicator such as litmus or phenolphthalein is being used. If litmus the color change is blue to red If phenolphthalein the change is red to colorless
Indicates whether the substance is an acid or alkali.
Many soluble dyes change their color with changes in pH (a measure of the concentration of acid in a solution). Such dyes may be used to indicate when the acid (base) in a solution has been neutralized by addition of an equal amount of base (acid). Each indicator dye has a particular range of pH for which it is useful. pH test strips and papers often incorporate two or more dyes to extend the range of pH over which they can be used. The best indicator dyes are strongly colored (so that only small amounts are needed), undergo an easily seen change with pH (either from one color to another, or from clear to colored), are nontoxic, and are chemically stable.
blue
At a pH of 10-11 the color of the red beetroot juice change from red to yellow.
The juice of red beetroot change the color from red to yellow at a pH greater than 10.
red
The color is unchanged.
When an alkali is added to a test tube containing Universal Indicator, it typically turns the indicator solution a dark green or blue color. This is because Universal Indicator is a mixture of different pH indicators that show a range of colors from red (acidic) to green (neutral) to blue or purple (alkaline). The specific color change observed may vary depending on the concentration and type of alkali used.
The color does not change unless an indicator such as litmus or phenolphthalein is being used. If litmus the color change is blue to red If phenolphthalein the change is red to colorless
Acids turn red/pink when red cabbage indicator is added. Alkali/bases turn blue/green. Neutrals turn purple.
when starch indicator is added, the solution turns from dark blue-black to colourless.
they have so many colours because they show if it is an acid or an alkali
the colour of the indicator will increase
This substance is called a pH indicator.