When was the forst vegatable indicator made in? When was the forst vegatable indicator made in?
bellpepper
The universal Indicator was invented in 1923 by Yamada
cabbage juice is a natural pH indicator
It indicates that the vegetable has carotene in it.
To pickle a vegetable it is usaually preserved in vinegar. Vinegar is acidic so would naturally affect the colour of the indicator.
Madam C.J. Walker. She also invented Wonderful Hair Grower and Vegetable Shampoo. She was the first African-American woman to become a millionaire.
in 1957
Gay-Lussac
In 1923 by Yamada
Alexander Ogilvie from England
John Logan of Waltham MA
cienna bellos dad