1. Why do aluminum hydroxide and sodium hydroxide react? Don't they both contain hydroxide? What is this reaction called? Are there any other similar reactions?

Aluminum is an amphoteric oxide,

Aluminum hydroxide Al(OH)3 reacts with an acid as it is, and neutralizes with the acid

When it encounters a base, it turns into an aluminum acid, H3AlO3, which reacts with the base in a neutralization reaction

Reactions between a salt and an acid require that the acid be stronger than the hydrochloric acid in the salt

In this case, carbonic acid is weaker than hydrochloric acid in copper chloride. , the carbonic acid is weaker than the hydrochloric acid root in copper chloride, so it does not react

And the hydrochloric acid is stronger than the carbonic acid root in copper carbonate, so it reacts.

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