write down any 4 chaiacteirstics of chemical change.
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There are five signs of a chemical change:
- Color Change.
- Production of an odor.
- Change of Temperature.
- Evolution of a gas (formation of bubbles)
- Precipitate (formation of a solid)
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Answer:
A chemical change produces a new substance. The changes are permanent and mostly irreversible
. Also, it involves absorption or release of energy in the form of heat or light.
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