which one of the following processes involve chemical reaction a.storing of oxygen gas inder pressure in a gas cylinder
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Complete answer:
Complete answer:In this situation, the highly heated copper (Cu) reacts with oxygen (O2) of the air, copper undergoes an oxidation reaction to give out a new product, that is a thin layer of copper oxide (CuO) on the surface of metallic copper.
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Answer:
cuo2jsk
Explanation:
because oxygen is evolved
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