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What are the examples of chemical changes?

What are some examples of physical and chemical changes?

  • I need some examples since i cant think of any for my science homework. some thing like ice cream melting (physical) or plants and food coloring (chemical)

  • Answer:

    Physical: ======= Water into ice Ice into water Water into steam Carbon into a diamond Rocks into sand Molten Iron into a cast iron skillet Chemical: ======== Sugar into energy (Carbohydrates) Sodium into Water (gives Sodium Hydroxide solution + Hydrogen Gas given off) Fireworks Fire extinguisher being used Bubbling Coca Cola (CO2 being given off and Phosphoric Acid being neutralized) Decaying dead fish Space Shuttle Rocket Fuel exhaust

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Physical: Crumpling up a piece of paper. Water freezing/Ice melting Chemical Change: Wood rotting Milk turning sour paper burning Technically changing colors would be physical because your not changing the chemical structure. Ask yourself: "Can I get back to my original product?" If you can, then its physical, if not then its chemical.

ll22

Chemical - Anything thats burning - Exploding Fireworks - Baking a Cake - Iron Rusting Physical - Crushing a can - Breaking a pencil - water freezing -

jr9981

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