Answer:
Extraction of aluminium
Aluminium ore is called bauxite . The bauxite is purified to produce aluminium oxide, a white powder from which aluminium can be extracted. The extraction is done by electrolysis. The ions in the aluminium oxide must be free to move so that electricity can pass through it.
Answer: A decomposition reaction occurs when one reactant breaks down into two or more products.
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Kinetic energy remains conserved in an elastic collision.
Sediment is created by wind and water.
