Did you mean: "What is a reaction to harmful substances called?" ?
Allergy, infection, poisoning or death.
The substances you have at the beginning of a chemical reaction are called the reactants.
No, the substances at the start of a chemical reaction are called the reactants. They are transformed into different substances known as products through the course of the reaction.
Substances formed in a chemical reaction are called products.
1. Initial substances in a chemical reaction are called reactants.2. The obtained final substances are called products or resulting substances.
The substances evolved after a chemical reaction are called in English products and are not starting substances - the are called reactants.
In a chemical reaction, two or more substances called reactants react, resulting in substances called products.
These substances are called products.
The chemical reaction of oxygen with other substances is called oxidation.
The reactants are the substances that are at the beginning of a chemical reaction.
Substances that are present before the reaction are called "reactants" or "reagents".
Substances that are present before the reaction are called "reactants" or "reagents".
Starting substances are called reactants in a chemical reaction. Reactants are the substances that are present at the beginning of a chemical reaction and undergo transformation into products.