dark green to blue to black
One common indicator of acids and bases is litmus paper. Litmus paper turns red in acidic solutions and blue in basic solutions. Another indicator is phenolphthalein, which is colorless in acidic solutions and pink in basic solutions.
Green is the color that universal indicator turns to when it is neutral.
The universal indicator turns red in acidic solutions.
Alkalis turn universal indicator blue or purple.
The universal indicator in saliva typically appears green or blue in color.
It goes purple
Universal indicator turns shades of blue or purple in an alkali.
red
green
If it is acidic put some alkili in it but if it is alkili put some acid in it......
Sodium Chloride a.k.a. table salt or sea salt is neutral and so Universal Indicator will go Green with a Ph 7
Salt water typically forms a neutral pH solution, so it will likely appear green in universal indicator.
it is clear.
Yes.
purple
Methyl red is an adequate indicator.
the colour of the indicator will increase