Question

What is
chemical reaction ? Explain the combination
and displacement reaction with example?​

Answer 1

Answer:

Explanation:

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction is called as chemical reaction.

Combination reaction :

A reaction in which two or more reactants combine to form a single product is known as a combination reaction.

• It takes the form of X + Y → XY
• Combination reaction is also known as a synthesis reaction.
• Example of combination reaction: 2Na + Cl2 → 2NaCl

Displacement reaction:

• A chemical reaction in which a more reactive element displaces a less reactive element from its aqueous salt solution.
• It takes the form X + YZ → XZ + Y
• It is also called a substitution reaction
• Example of displacement reaction: Zn + CuSO4 → ZnSO4 + Cu