bluebabyyy
17.12.2019 •
Chemistry
Is hammering wood together a physical or chemical change?
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Ответ:
Hey There,
Your answer is A) Fireworks exploding
This is an action of chemical change. Grinding powder, melting cheese and ironing a shirt are all action of physical change. You are just changing their form, not performing a chemical change. When fireworks explode, a chemical inside of them changes.
Best Of Luck,
- I.A. -