What is the representive of insoluble bases?
Answer:
One representative is copper(II) oxide. It is an insoluble basic oxide that reacts directly with an acidic solution to form a copper salt and water.
umm, they don't dissolve/dissociate in water?
One representative may be the Rust formed on iron metal i.e. corrosion product . This is Fe2O3 ,which reacts with acid to form ferric chloride .
Fe2O3 + 6HCl -------> 2FeCl3 +3 H2O.
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