red
cabbage juice...
it becomes an orange-red color
phenol red
A benzene ring with one -OH.
Old Circuit Boards. Or certain Bavarian Wheat Beers.
Phenol red is a pH indicator. The baking soda is not changing color, but the phenol red is.
Phenol red is a weak acid.
A solution of phenol red is a liquid.
no
Phenol red is made by condensation of Phenol and saccharine.pH below 6.8 = YellowpH above 8.2 = Red/FuschiaGradually turns from yellow to red/fuschia (pH between 6.8 and 8.2 = Pinkish)
Red meat can have a slight blood smell. Other than that it should not smell. Red meat should never smell unpleasant, or like eggs.
Poppies have no smell.
To determine if a bacterium can ferment a particular carbohydrate and determine the end products of that fermentation
red
Phenol red is yellow under pH=6,8 and pink over a pH=8,2.
Boil red cabbage in water to make phenol red. This works well depending on how long you boil it will determine the strength of the solution.