Question

splitting of water molecules in presence of light is called ____________.​

Answer 1

Explanation:

In a process called photolysis ('light' and 'split'), light energy and catalysts interact to drive the splitting of water molecules into protons (H+), electrons, and oxygen gas.

so splitting of water molecules in presence of light is called photolysis

Answer 2

splitting of water molecules in the presence of light is called photolysis of water.