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Physical, Because The Color Changes.. Not The Chemical Property Of The Paper.. :)
When boiled with water it usually turns yellowish to dark brown brown.
it turns brown because of a reaction to the water, with the particles
it turns dark brown or black
You can spray hydrogen peroxide onto your hair and lighten it by standing in the sun while its on.This turns brown hair into light/orange brown and blond into golden blond.It turns black hair to a dark brown tone and red hair into ginger or ash red.
It oxidizes and turns brown quickly after exposure to air. To prevent this, lime or lemon juice can be added to avocados after they are peeled.
Physical, Because The Color Changes.. Not The Chemical Property Of The Paper.. :)
This could be a condition called scaly face. This is when a budgie nose turns brown and scaly which is caused by mites. This could be fatal in the late stages but it is curable. This could also be age related, when budgies get older, their noses turn brown. Correction: When a female budgie's beak turns brown, this is an indication that she is ready to breed.
it turns brown in the refrigarator
It usually means that the sauerkraut has oxidized,which is caused by contact with the air. This isn't exactly dangerous, so you can just discard the brown part. If the brown coloration is caused by exposure to copper, brass, or lead, then it is unsafe. If you are completely sure it is oxidation, then you can just throw the brown part out and continue.
brown
No. The peel turns green because of exposure to light.
Phenolsulfonate is a colorless to white crystalline solid which turns pink on exposure to air.
All the food and bacteria mix together and it turns brown
it turns into a brown like subsince and the oak turns black
when it turns a brown and yellow.
when it turns brown