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Chemical ChangesAs opposed to a physical change, chemical changes are present when the substance undergoes a chemical reaction and produces a new substance. A chemical change is a chemical reaction that will always take place for there to be a chemical change. Signs that a reaction is taking place: Formation of gases (bubbles), Color change, production of heat or light, and the formation of a solid.
  • a change in composition and characteristics of matter.
  • new substance maybe formed.
  • original substance and form may be lost.
  • new color and shape
Examples
  • Fermentation
  • Photosynthesis
  • Rusting nail
  • Spoiling milk
  • Digesting food
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Lexie Hoppe

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3y ago

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Related Questions

What is the definition for chemical?

chemical change is the change of one substance into another substance.


Is a soda a chemical change?

Soda is not a chemical change it does not change in color, flavor, and texture if it's a chemical change it would do that stuff to change but it isn't read this definition a chemical change is a change that produces new substances with new properties


Is mixing a chemial change?

By definition, a mixture is two or more substances that are physically combined. In a chemical change, the substance interacts with another substance and undergoes a chemical change. So, no, a mixture is not a chemical change.


What is the best definition of chemical change?

A change in a substance where one or more new substances form.


A change that occurs when one or more substance change into entirely new substances with different properties.?

When one thing changes to another, the process is called metamorphosis. One dictionary definition is, "A marked change in appearance, character, condition, or function." This can happen with inanimate objects, as well as with biological entities. A good example is the butterfly.


What is the best definition of a chemical change?

A change in a substance where one or more new substances form


Potassium chlorate turns to oxygen gas is that chemical change or physical change?

The reaction of potassium chlorate turning into oxygen gas is a chemical change because the composition of the substance is altered, resulting in the formation of different molecules with different properties.


The definition of colour in the science term?

property that could be used to indicate physical or chemical change


Must new substances be formed when you observe chemical property?

Yes. If you observe a chemical property, the substance will be undergoing a chemical change, which by definition produces a new substance.


Must new substances form when you observe a chemical property?

Yes. If you observe a chemical property, the substance will be undergoing a chemical change, which by definition produces a new substance.


Must new substances be formed when observe a chemical property?

Yes. If you observe a chemical property, the substance will be undergoing a chemical change, which by definition produces a new substance.


Is wood decomposing a physical or chemical change?

The rotting of wood is a chemical change because of many reasons. One of the reasons is because when wood rots, it produces mold, which is a new substance. The definition of chemical change is a change that produces one or more new substances. When the wood rots, you are unable to take the rotted wood and mold and make it back into wood that is yet to be rotted. So because the wood produces one (or more) new substances, the rotting of wood is a chemical change.