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Chopping an onion is considered to be a physical process. Chopping an onion is not a chemical process because it does not change the chemical composition.
Wiki User
∙ 9y ago
Wiki User
∙ 12y agoIts a physical change.
Wiki User
∙ 13y agoBoth. The physical change is the onion is sliced. The chemical change is the exposure of the odor causing chemicals to the air with resultant oxidation and release to the air.
Wiki User
∙ 13y agoIn cutting an onion you obvious change the onion, but what it is made of stays the same and no new substance is formed. Thus it is a physical change.
Wiki User
∙ 12y agochemical changes are changes that are not reversible and physical change is vice versa.you cant bring onions back together after chopping it.thats why its a physical change.
Wiki User
∙ 11y agoif you cut it is still an onion it is a physical change
Valsala Devi Kathu
The shape is changed so physical
Wiki User
∙ 14y agoNo, it is a physical change.
Wiki User
∙ 12y agoYes
Anonymous
no
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Is cooking any onion a chemical reaction or physical?
its a chemical reaction . u cant get back raw onions after they r cooked! can uuuuuuuuuuuuu ??????????
'What chemical element does onion has?
As a living thing, the six most abundant elements in an onion would be carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
What chemical is in a onion that makes us cry?
'propene sulphilin' is the chemical substance present in the onion which makes you to cry when you cut onion.
What is the effect of onion clove and vanilla on acids and bases?
Onion Clove and Vanilla are Indicators . They indicate if a susbstance is Acidic or Basic in nature by changing their smell . These type of indicators which change smell are known as "olfactory indicators".
What is the pH of onion?
pH of an onion is 3.0,Added:That is for the 'juicy' part. There is no pH value existable for the 'dry solid substance' in an onion.
Is cutting an onion a physical change or chemical?
X
Is cooking any onion a chemical reaction or physical?
its a chemical reaction . u cant get back raw onions after they r cooked! can uuuuuuuuuuuuu ??????????
What is the difference between physical and chemical weathering'?
Physical weathering is breaking down of rocks by weather that does not change their chemical components. Chemical weathering is weathering that breaks rocks down by a chemical change.
Can the onion make the cockcroach die?
=== === Yes, the onion can kill the cockcroach because they contain a sulfur-rich volatile oil, peeling or slicing them can cause a person's eyes to tear. This onion has concentric leaf bases having a pungent odor and taste.
Why do blunt knives make onions sting more than sharp knives?
You are crushing the onion not slicing it releasing more of the oils.
What is the chemical formula for onion powder?
there isn't one, for onion powder is a powder
Does anyone know where to get a gadget that has fork-like prongs that is used to grip an onion while slicing?
I've never heard of it, thanks for letting me know about it.
Type of physical weathering?
Therew is only to types of weathering in my knowledge and they are Mechanical and Chemical (in scientific term). Mechanical is also know as physical.
How does an onion change into a spring onion?
Yes, if you leave a normal cooking onion in water in will sprout spring onions.
What are the three weather types which can erode rocks?
1) Physical weathering can be split into 2 subgroups-Freeze Thaw and Onion Skin! 2) Chemical Weathering! 3) Biological Weathering!
Did you observed any change in the image of onion cells before and after starring?
In cooking, the onion would caramelize.
'What chemical element does onion has?
As a living thing, the six most abundant elements in an onion would be carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
