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A chemical reaction has occurred.

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Q: When a substance is broken down or combined formingnew substance a has occurred?
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Related questions

Is a compound pure substance?

A compound is 2 elements chemically combined, though it is unseparatable, it is made up of 2 or more elements. But since a compound cannot be broken down into elements, after the elements are chemically combined, that makes a compound a pure substance


What is the substance that can't be broken down?

A pure substance that cannot be broken down is an Element.


What is a substance that cannot be broken down into a similar substance?

An element cannot be broken down into a simpler substance by chemical means.


What is the diffrenece between an element and a compound?

Element is the simplest form of substance while compound is a substance of combined elements. Compound can be broken down into simpler substances which maybe are another form of compounds or just in the simplest state which are elements


Can copper be broken down to a simpler substance?

Copper is an element and can not be broken down to a simpler substance.


What is a substance that cannot be broken into simpler substance?

An element.


Is ammonium nitrate a substance or mixture?

A mixture can be defined as a material composed of two or more different substances that are not chemically combined. This makes nitrogen a pure substance.


What is a substance that cannot be broken down into simpler substances?

A substance that cannot be broken down is a pure substance


True or falsecompounds are the simplest type of substance and cannot broken down into any other substance?

T=It is true that compounds is a type of substance. This substance cannot be broken down.


Substance that connot be broken down into simpler substance?

Elements are substances that coonono be broken down in a garbage disposal.


What is a substance that cant be broken down into another substance?

an element


What is a substance that cannot be broken down into simpler substance with all the characteristics of the substance?

elements