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3. CHEMICAL CHANGES
Happen when the original matter transforms into other new substances.
The original matter cannot be recovered.
MATTER AND ENERGY
3.1 TYPES
OXIDATION
Happens when some metal substances combine with oxygen in the presence of water, producing rust. (iron)
COMBUSTION
Happens when objects or substances are burned. Also needs oxygen and produces gases, light and head.
FERMENTATION
Happens in some living thing. Some are used to produce wine. bread or yoghurt. (yeast and bacteria)
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- Flowchart on Untitled, created by BEGOÑA PUENTE PARRA on 15/10/2019.
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- BEGOÑA PUENTE PARRA
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