But in the boiling iron puddle a chemical change is taking place.
The heat is the result of chemical change or combination, and the light is the result of heat.
This is to work a chemical change upon them, to renovate and regenerate them, to dissolve them in its own rich fragrant substance.
The shock that passes over her is like the shock of chemical change.
Water exists in different forms without, however, undergoing any chemical change.
There is reason in every process; a law governing every chemical change.
In a mixture there is no chemical change in the molecules of the substances mixed.
Like growth, rather than chemical change; the wilderness was turning to iron.
The final test for an enzyme is the chemical change it brings about in the specific substance acted on.
It was as if she suffered some chemical change before their eyes.