2007-11-28 04:49:57 · 7 answers · asked by Music # Blast 3 in Science & Mathematics ➔ Chemistry
Burning wood, dissolving salt in water, explosives, etc.
2007-11-28 04:56:58 · answer #1 · answered by chemicalcajun 4 · 0⤊ 1⤋
Rusting of iron (forming iron oxide)
Burning sulfur (forming sulfur dioxide)
Chemical changes are difficult to reverse. Physical changes (like boiling of water or dissolving salt) are easily reversible.
2007-11-28 05:38:18 · answer #2 · answered by Michael B 6 · 0⤊ 0⤋
Battery acid on clothes when I was a kid I opened up the back of one of my toys (I was only about 7/8) and battery acid got on to my clothes so I had to take my shirt off before it touched my skin I was lucky that time.
2007-11-28 14:15:23 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Cooking egg, burning wood, etc
Chemical reactions are those reactions that changes the property of the substance.
2007-11-28 05:01:44 · answer #4 · answered by murasaki 1 · 0⤊ 0⤋
cooking, anything with burning, in a reaction it's bubbling or gas is produced...
overall Chemical changes occur when a new compound is produced....
P.S DISSOLVING SALT IN WATER IS PHYSICAL!
2007-11-28 05:01:00 · answer #5 · answered by SilentWater 2 · 1⤊ 0⤋
mixture of salt and water war\ter and sugar
burning of wood
water turning into vapour by heating
2007-11-28 05:01:28 · answer #6 · answered by Shreejan d 3 · 0⤊ 2⤋
rust
2007-11-28 06:05:07 · answer #7 · answered by Anonymous · 0⤊ 0⤋