Differentiate between a combination reaction and a decomposition react

1.	Differentiate between a combination reaction and a decomposition reaction. Write one chemical equation each for these reactions.
Answer» The chemical reaction in which a single product is formed two or more reactants and energy is evolved is known as combination reaction. Example: 2Mg + O₂+Burn → 2MgO When a single reactant on gaining energy decomposes to give two or more simple products, such a reaction is called a decomposition reaction. Example: CaCO₃+Heat → CaO+CO₂

Differentiate between a combination reaction and a decomposition reaction. Write one chemical equation each for these reactions.

Answer»

The chemical reaction in which a single product is formed two or more reactants and energy is evolved is known as combination reaction.

Example: 2Mg + O₂+Burn → 2MgO

When a single reactant on gaining energy decomposes to give two or more simple products, such a reaction is called a decomposition reaction.

Example:

CaCO₃+Heat → CaO+CO₂