What happens when metallic oxide reacts with acid? (with equation )
Answers
Answer:
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Explanation:
Metal Oxide + Acid → Salt + Water
If you want specific equations, you should say which ones you need.
The above general equation works in most cases but some metal oxides may not have any significant reaction with some dilute acids, for example, Aluminium oxide and Chromium (III) oxide form fairly unreactive surfaces. Also, if the salt being formed is insoluble in water, it may form a “crust” over the surface of the metal oxide and prevent acid reaching the next layer of the oxide - effectively stopping the reaction, for example, Calcium oxide (Lime) or Calcium Hydroxide (slaked lime, which forms when Calcium Oxide and water come into contact) with sulphuric acid.
In the first instance, you need to learn the “general form” that applies to most situations and then learn the exceptions as you go along - it’s not as hard as it seems and working things out can be like forensic science at times. Turn it into a game and it’s much more fun.
Answer:
Acids react with metal oxides to produce a salt and water.
Acid + metal oxide ⟶ salt + water
For example:
2HCl + CuO ⟶ CuCl2 + H2O
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