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No, not always. For example, if you mix salt and water, no chemical change takes place. The salt dissolves in the water and a solution is formed, which is not a chemical change because the salt and water retain their individual chemical compositions.
Wiki User
∙ 11y ago
Wiki User
∙ 13y agoA change in the atomic makeup of the substance.
Wiki User
∙ 14y agoChanges in composition, or what things are made of.
Wiki User
∙ 9y agoHeating can cause chemical changes, but it depends on what you are heating. Heating in and of itself is a physical change.
Wiki User
∙ 13y agoA chemical reaction is a chemical change.
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∙ 11y agoyes
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∙ 15y agodogs
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Is poaching an egg a physical or chemical change?
It's a chemical change: heat alters the protein bonds in the egg.
Why does copper burn blue?
The chemical change causes the color change when the two new chemicals combine.
Why does copper sulfate burn blue?
The chemical change causes the color change when the two new chemicals combine.
Is cooking chapatis a chemical change?
Yes. Specifically it involves the Maillard reaction, which is what causes browning.
A atom loses an electron to another atom is an example of physical or chemical change?
Definitely a chemical change. This causes a manipulation in the substance's properties and chemical behavior.
A chemical reaction causes a chemical change true or false?
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
Why is churning a chemical change?
Souring milk causes a chemical change because it changes its state of matter (from a liquid to a semi-solid), and it grows bacteria. When milk sours it causes a permanent change, therefore making it a chemical change.
What causes molecular change?
a chemical reaction
What type of change such as burning or rusting causes a substance change?
chemical change
Is charging of car battery chemical change?
Yes. The charging causes a chemical change in the electrolyte of the battery.
Does knitting causes a chemical change?
Nope. It's a physical change.
What causes the shape of an object to change with out causing a chemical change?
For example a mechanical deformation which not imply a chemical reaction.
Is decaying matter a physical or chemical change?
It's a chemical change. A chemical change is any change that causes a substance to change into another substance. A sign to know whether it's a chemical change or not, are the changes in odor. When something decays the change in smell is very powerful. Therefore, it is a chemical change.
Is burning diesel a chemical or a physical change?
It is a chemical process. The diesel gets compressed with air which in turn causes heat which in turn causes combustion.
How can you causes physicals change?
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.
What can cause a chemical change of iron?
oxidation causes rust to form
What causes an apple to change colors when air hits it?
chemical property
