2006-10-08 14:05:36 · 6 answers · asked by Sid 4 in Education & Reference ➔ Homework Help
Color change, release of gas (bubbles), precipitate (formation of solid particals in liquids) ... um and something else i can't remeber. (Temperature change! that was it)
2006-10-08 14:08:18 · answer #1 · answered by Sarah 4 · 1⤊ 0⤋
A chemist looks for a change in the physical state of the material, like maybe a change in the color or texture, if it creates a gas (bubbles), if it gets hotter or if it gets colder. All are indications of a chemical reaction.
2006-10-08 14:10:30 · answer #2 · answered by Anonymous · 0⤊ 1⤋
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2016-12-26 13:06:22 · answer #3 · answered by dobard 3 · 0⤊ 0⤋
This is cool because I just learned this Friday. There are five things. 1st, Color. 2nd, Gas Realest or Bubbles. 3rd, Heat or Cold being released. 4th, Light being released. 5th, I can't remember but I think its like it changing form changing, like solid, liquid, gas. hoped this helped, good luck to u.
2006-10-08 14:24:21 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Maybe a change of colour , size , shape or cell structure
2006-10-08 14:08:08 · answer #5 · answered by Paul Sabre 4 · 1⤊ 0⤋
heat change, if bubbles formed, if its a new substance, color change.
2006-10-08 14:08:03 · answer #6 · answered by jess 2 · 1⤊ 0⤋