It is a process in which new substances with new properties are formed.Īs per the chemical reaction definition, it involves breaking bonds in the atoms of reacting substances and making new bonds between the atoms of products. The most basic chemical reaction definition is a chemical change that occurs when two or more substances combine to form a new substance. Here, Zn and H 2 SO 4 are reactants, and ZnSO 4 and H 2 are products. On putting the symbols and formulae of all the substances in the above word-equation, the following chemical equation will be Zinc + Sulphuric acid → Zinc sulphate + Hydrogen The method of representing a chemical reaction with the help of symbols and formulae of the substances involved in it is known as a chemical equation.įor example, when zinc metal reacts with dilute sulphuric acid, it forms zinc sulphate and hydrogen gas.
It is represented in a short form by writing a chemical equation. The rusting of iron objects on exposure to damp air, changing milk into curd, and digestion of food in your body are all daily life chemical reaction examples that you must have noticed. If there is a change in any of the above four cases during a process, a change in chemical reaction occurs.
A chemical reaction takes place whenever there occur the following changes: The simplest answer to the question, what is a chemical reaction, is a process that involves the rearrangement of a substance’s molecular or ionic structure, distinct from a change in physical form or a nuclear reaction.
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