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What are some signs of a chemical change?

In: Science, Chemistry [Edit categories]

Answer:

There may be many indicators of a chemical change. Here are a few although not all can categorically indicate a chemical change:

Gas or bubbles are formed
Heat, light, or sound is given off
Change in color
Different taste or smell (never taste or smell anything in a chemical lab, unless directed to do so.)
New substance is formed (a precipitate)
Temperature (exothermic or endothermic reactions)

First answer by Kizzypinkshoe16. Last edit by Blue. Contributor trust: 2484 [recommend contributor ]. Question popularity: 38 [recommend question].

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What are some signs of chemical changes?
bubbles, change in color etc. ex. rust, fire, mold
What are some following potential sign of chemical change?
Some signs are: change of the color, release of a gas, change of the temperature, formation of a precipitate, pH modification, viscosity variation, a change of the odor or taste, etc.
What are some examples of some chemical changes?
Color change, steaming, state of matter changing.
What are some signs that a chemical change has taken place?
Change in size, color, temperature or the formation of gas.
What are some change in chemical changes in in matter?
when you heat up water then it turns into water vapor The above is NOT a chemical change but a PHASE changeIf you disassociate water into Hydrogen and Oxygen with electrolysis that is a chemical...