Question

Discribe the colour change that take place when you blow into the chemical substances

Answer 1

Color. The changing of color of a substance is not necessarily an indicator of a chemical change. For example, changing the color of a metal does not change its physical properties. However, in a chemical reaction, a color change is usually an indicator that a reaction is occurring.

Answer 2

colour the changing of a substance is not necessarily an indicator of a chemical change For example, changing the colour of a metal does not change its physical properties change is usually an indicator that a reactions a occurring.