7 .Most of the metals react with oxygen to form _____ .
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Answer:
OH− ions
Explanation:
Metals react with oxygen to form basic oxides. Metallic oxides are basic in nature because they react with dilute acids to form salt and water. They also react with water to form metal hydroxides which are alkaline in nature because these metal hydroxides release OH− ions in solution.
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1
Answer:
*metal oxides*
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