plzz..answer this question..it's urgent..plzz..I'll mark them as brainliest..plzz..
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Answer:
Explanation:
CaO + 2HCl → CaCl2 + H2O
MgO + 2HCl → MgCl2 +H2O
ZnO + 2HCl → ZnCl2 +H2O
Al2O3 + 6HF → 2AlF3 + 3H20
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