What does the hydrochloric acid solution react with?

Hydrochloric acid solution can react with many substances.
For example, with bases, metal oxides, salts, metals.
I will give you some examples.
HCL + KOH = KCL + H20 (Reaction of acid with base)
2HCL + Na2O = 2NaCl + H20 (Reaction of acid with metal oxide)
2HCL + 2Mg = 2MgCl + H2 (Reaction of acid with metal)
2HCL + K2SO4 = 2KCL + H2SO4. (Reaction of acid with salt)



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