Question

give an example of a chemical change in which there is a change in colour that makes place​

Answer 1

Answer:

Experience Command in Minecraft

To give 20 experience levels to the player called DigMinecraft in Minecraft Java Edition (PC/Mac): /experience add DigMinecraft 20 levels.

Answer 2

Answer:

Copper reacts with oxygen, H2O and CO2 to give copper carbonate, which changes color from brown to blue or blue green. Rusting, blackening of surfaces of cut vegetables and fruits are other examples of change of color in a chemical reaction.