Question

help me !!

when a blue colour salt is heated it turns into white colour salt. Identify the type of chemical reaction. Write a one equation each where energy is supplied in form of light & electricity instead of heat in above type of reaction.​

Answer 1

Answer:

the chemical reaction is known as chromatography

Answer 2

Answer:

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)