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If a substance explodes when it reacts with water is it a chemical or physical change?
Wiki User
∙ 13y ago
chem
Wiki User
∙ 13y ago
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Is it a physical or chemical change when a substance changes form but it remains the same substance?
it would be physical change because physical change is when the substance stays the same
A chemical change differs from a physical change because in a chemical change a substance?
A chemical transformation change the structure of the molecule but a physical transformation not.
Is evaparation a physical or chemical change?
Physical. If water evaporates, it is still water. It does not change into a different substance. A Chemical change is when something changes into a different substance. For example, when wood is burned, it changes into a different substance(ash).
Why milk turning into curd is a chemical change?
because it is irreversible and it has a new substance
What result in a new substance formed?
It is a chemical change.
In a physical change some of the physical properties of the substance may be altered and the chemical composition?
No. In a physical change, the substance maintains its chemical composition.
What does not change when a substance changes matter?
During a physical change, the matter of what the substance is made out of doesn't change.
What is the diffence between physical and chemical properties as well an physical and chemical changes?
Physical properties can be observed without changing the chemical composition of a substance. Chemical properties can only be observed by changing the chemical composition of the substance. In a physical change, the chemical composition of the substance does not change. In a chemical change, the chemical composition of the substance changes.
What is a change that alters the form or appearance of a substance but does not make it into other substance?
It is considered a physical change. A chemical change involves chemical reactions that change the substance into another substance. A physical change typically only modifies the form or phase.
What is the diffence between a physical and chemical change?
Physical change doesn't produce a new substance, but a chemical change is a new substance.
When a substance undergoes a phase change what occurs a particle change a chemical change a new substance is formed a physical change?
When a substance changes phase, this is a physical changerather than a chemical change. When water freezes to become ice, or when ice melts to become water, its all physical.
Is a potato a chemical or physical change?
A potato is a substance and not a change of any description.
Is State chemical or physical?
A physical state is physical and not chemical Physical Property is observed without changing a substance into another substance. Chemical property is the ability of a substance to change into different substance.
What are physical and chemical?
physical changes do not change the chemical properties of a substance
Is extraction a physical or chemical change?
No. A physical change is a change that does not change the chemical composition of a substance, while a chemical change does change the chemical composition of a substance.
When oxygen is liquefied is it a physical or chemical change?
Physical because it is still Oxygen. A chemical change results in a chemical equation and thus a new substance. No new substance = no chemical change. Liquefaction is a physical property.
Difference between physical and chemical change?
physical change is a change in matter in which no new substance is formed Chemical change is a change in matter in which new substance is formed
