Question

Define chemical reaction. Name the types of chemical reactions.

Answer 1

Types Of Chemical Reactions. ... When a single reactant decomposes to form two or more products is called decomposition reaction. Example. Single displacement reactions. Type ofreaction in which the more reactive element displaces the less reactive element to form a product.

Answer 2

Dear Student,

◆ Chemical reaction -

• A reaction that changes chemical composition of components involved is called a chemical reaction.
• Chemical reaction occurs by combination, seperation or rearrangement of atoms.
• It is associated with formation and breaking of bonds.
• Component taking part in reaction are called reactants and those formed after are termed as products.
• For example, burning of magnesium, formation of salt, etc.

# Types of reactions -

There are 4 types of chemical reactions -

1. Combination reaction
2. Decomposition reaction
3. Displacement reaction
4. Double displacement reaction

Thanks dear. Hope this is helpful...