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It all depends on what chemicals you are using. For example, if you were using sulfur & carbon, either one could be changed.

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Q: What is changed in the original substance during a chemical reaction?
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Related questions

What is a substance that is changed in a chemical reaction Called?

A substance that undergoes change in a chemical reaction is called a reactant.


The substances that are produced in a chemical change are called?

chemical reaction is when a substance is changed chemicaly but not physicaly


What is the term for the substance changed during a chemical reaction?

You think probable to the reactants.


Are chemical reactions a chemical change of original substances before a chemical reaction takes a place?

Substances are changed only after the beginning of a chemical reaction.


What is a substance that alters the rate of a chemical reaction without being permanently changed in the reaction?

These are called catalysts.


What is the substance that alters the rate of a chemical reaction without being permanently changed in the reaction?

These are called catalysts.


Are enzymes permanently changed in the chemical reactions they are involved in?

No. Enzymes are not permanently changed in the chemical reactions in which they are involved. After the reaction, they regain their original shape and are free to catalyze another of the same reaction.


What is a substance that speeds up a chemical reaction without permanently being changed itself?

A catalyst.


If the chemical properties of the substance have not changed has a chemical reaction occurred?

It depends: just try to relate, try to write a chemical equation for and see if there are byproducts. Most likely, if the same chemical still has its same properties After the reaction, a chemical reaction has not occurred.


. How do substances change after a chemical reaction?

After a chemical reaction, some of the bonds have been broken, and some new bonds have been formed. So, that's how a substance is changed after the reaction.


Is a chemical property a noun or a verb?

The compound word 'chemical property' is a noun, a word for the characteristic of a substance observed during a reaction in which the chemical composition or identity of the substance is changed; a word for a thing.


Is the rotting of compost a chemical reaction?

A chemical reaction means that when it has turned into the new substance it cannot be changed back. Once the compost has rotted it can't be changed back into eg: carrot shavings.