To make an indicator from onions, chop red onions and boil them in water for about 30 minutes to extract the pigment. Once cooled, strain the liquid to obtain a purple onion juice, which can act as a pH indicator. This juice changes color in response to different pH levels: it turns red in acidic solutions, purple in neutral solutions, and greenish-yellow in basic solutions. Store the indicator in a sealed container for future use.
Onions and bellwethers
Approximately 1.1 onions
no , I mean who in the world like onions they smell bad. They make me cry:( :( :( :( :(
no they do not
You could make a plant indicator using ur forhead
Onions Make People Weep - 1907 was released on: USA: October 1907
White, yellow, and red onions are much more likely to make us cry than green onions. Onions make us tear up because of a reaction in the vegetable that occurs as we break into it, which causes the release of a chemical called lachrymatory factor, which then irritates our eyes.
plant onion seed and wait a year, onions are the biennial bulbs
Maybe
When a country exports products it is paid for them. The money received can then be used to import other products. So, for example, one country has coal but no onions, the neighboring country has onions but no coal. If the first country sells coal and buys onions, it can now make delicious sauteed onions. If the second country sells onions and buys coal, it too can make delicious sauteed onions. Everyone eats better.
Coz thy are apples
onions