Indicators always turn on for a reason, even if the reason is that the indicator is broken.
Green is the color that universal indicator turns to when it is neutral.
Universal Indicator. It turns red as lemon juice is an acid.
Litmus paper is an indicator that turns red in acidic solutions and blue in alkaline solutions.
The gas that turns a universal indicator blue is usually chlorine.
A substance that turns universal indicator green is a base. Bases have pH levels higher than 7, which causes the universal indicator to turn green.
Phenolphthalein is the indicator that turns pink in basic solutions during titration reactions.
If the universal indicator turns green, it indicates that the substance is neutral, neither acidic nor basic.
Sc4 aswell as nitrogen citride
Bromothymol blue is an indicator that is pale blue in a basic solution and turns yellow in the presence of an acid.
The universal indicator turns red in acidic solutions.
Universal indicator turns shades of blue or purple in an alkali.
The bicarbonate indicator turns from purple to yellow when exposed to a basic solution.