Which of these is a demonstration of a chemical change?
A. ice melting into water
B. wood becomes charred and black from burning
C. water evaporates from a sugar solution, leaving behind sugar crystals
D. a balloon suddenly popping
Separating the water into its elements.
boiling water
A
Chemical property
When a red blood cell is placed in distilled water it will swell and burst. This is a physical change.
Ripening is a chemical process.
I think you are talking about a chemical change,
This process involve chemical reactions but also physical changes.
Distillation is a physical process.
Distilling water is a physical change. When water is distilled, any trace impurities will left in the container it was distilled from. These impurities were not chemically bonded to the water, instead, they formed a mixture with the water, and a mixture is always created physically.
Chemical property
When a red blood cell is placed in distilled water it will swell and burst. This is a physical change.
no, its physical change :)
Ripening is a chemical process.
Cooking is a chemical process.
I think you are talking about a chemical change,
Involving chemical reactions it is a chemical process.
Chemical Change
It is a chemical change; burning (combustion) is a chemical process.
Titration is a chemical process.