The reaction 2H₂O → 2H₂ + O₂ in sunlight is an example of a:

Question

Accepted Answer

A. {'text': 'Photochemical reaction'}

1. Some reactions need light energy (photons) to proceed.
2. Such reactions are called **photochemical reactions**.
3. Photosynthesis is a familiar biological photochemical reaction.
4. Combination would join species rather than split water; combustion needs oxygen as a reactant.
_Source: Selina Concise ICSE Class 8 Chemistry Ch 6 "Chemical Reactions", Factors affecting reaction rates_

Answer

{'text': 'Combination reaction'}

Answer

{'text': 'Combustion reaction'}

Answer

{'text': 'Neutralisation reaction'}