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Substances initially present in a chemical reaction that are consumed during the reaction to make products are called "reactants".

A "reagent" is a substance or compound that is added to a system in order to bring about a chemical reaction or is added to see if a reaction occurs.

Although the terms reactant and reagent are often used interchangeably, a reactant is more specifically a "substance that is consumed in the course of a chemical reaction".

Solvents and catalysts, although they are involved in the reaction, are usually not referred to as reactants.

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13y ago
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12y ago

lubricant revolvers < no! not this! I cant delete tis previous answer that someone else wrote but the real answer is REACTANTS

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12y ago

The starting substance is the reactant.

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12y ago

Reactants

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16y ago

reagent

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Q: What are the starting substances that are involved in a chemical reaction called?
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Related questions

What is the starting substance in a chemical reaction is?

The substances you have at the beginning of a chemical reaction are called the reactants.


The starting substances that are evoled in a chemical reaction?

The substances evolved after a chemical reaction are called in English products and are not starting substances - the are called reactants.


When substances are different from the starting substances what occured?

This is a chemical reaction.


What is the starting subsatnces in a chemical reaction?

The beginning substances in a chemical reaction are known as the reactants.


What are the reactants and the products of the forward Left to right reaction?

Reactants- The substances used up in a reaction. Products- The new substances made.


When substances are formed that are different from the starting substances has physical change occurred?

A chemical reaction is a chemical change.


What is created and what is destroyed during a chemical reaction?

starting substances and substances called products


How you call the starting substances that are evolved in a chemical reaction?

Reactants.


What are the products in a chemical reaction-?

Answer this question&hellip; The starting substances


What is it called when something takes part in a chemical reaction?

The substance (or substances) initially involved in a chemical reaction are called reactants or reagents


What a substances in a chemical reaction that are combined or separated to form new substances?

The substances in a chemical reaction that are combined are the reactants, and the substances that are formed as a result of the reaction are the products. Reactants are the starting materials, while products are the final end-products. Chemical reactions involve the breaking and forming of chemical bonds between atoms.


The starting substances that are evolved in a chemical reaction?

To give power, right or authority?