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Asked in Chemistry
Is decanting a chemical change?
Decanting means pouring something out of a container. It is not a change, physical or chemical. Chemical changes MAY take place after some liquids are removed from their container and exposed to air, but decanting by itself is not a change. ...
Patients with kidney failure often complain of itching why is this?
Kidneys remove waste from the body. If the kidneys fail, waste builds up; this is known to cause severe itching. Specifically, phosphorous is removed during urination. The heightened phosphorous is what causes the itching; not just a skin itch, but a deep itch which is not necessarily going to subside. ...
Asked in Beauty, Chemistry, Perfumes and Colognes
Is perfume evaporating a chemical or physical change?
Physical as H2O and some other elements are only removed from the perfume istead of creating new substances Physical, because H2O and other chemical substances are removed instead of new chemical substance being created. ...
Asked in Catalysts and Catalysis
What is a catalyst and how is it similar to an enzyme?
a catalystis a chemical that speeds up a chemical reaction and canbe removed and used again once used ...
Asked in Subdermal Contraceptive Implants
Had implant removed 1 week agao and has slight bleeding and discharge?
If your discharge is associated with pain, odor, painful urination, or itching, see your health care provider. ...
Asked in Chemistry
Would it be a chemical change if Blueberry juice is squeezed over a white shirt to dye it blue is this a chemical change or physical change?
The shirt is white because something is making it white and that something could have reacted with the blueberry juice. It depends on the juice and the material the shirt is made of. If the Juice can be squeezed out or removed with enough rinsing or washing, it may be just a physical change. Otherwise, the dye in the juice may have chemically bonded with something in the shirt material and may need a chemical substance such as a bleaching agent...