Question

12. Write one equation each for decomposition reactions where energy is supplied in
the form of heat, light or electricity.
difference between displacement and double displacement reactions?​

Answer 1

Answer:

thank you for your time

Answer 2

Thermal decomposition is a chemical reaction where a single substance breaks into two or more simple substances when heated.

CaCO

3

⟶

Heat

CaO+CO

2

Photo decomposition is a chemical reaction in which a substance is broken down into simple substances by exposure to light (photons).

2H

2

O

2

⟶

sunlight

2H

2

O+O

2

Electrolytic decomposition may result when the electric current is passed through an aqueous solution of a compound.

2H

2

O(l)

⟶

electricity

2H

2

(g)+O

2

(g)