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Question
Metals combine with oxygen to produce:
Metals combine with oxygen to produce:
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Solution
The correct option is B basic oxide
An oxide that combines with water to give an acid is termed as an acidic oxide. The oxide that gives a base in water is known as a basic oxide.Generally Group 1 and Group 2 metals form bases called base anhydrides or basic oxides e.g.,4K+O2→2K2OBasic oxides are the oxides of metals. If soluble in water, they react with water to produce hydroxides (alkalies) e.g.,
K2O(s)+H2O(l)→2KOH(aq))
An oxide that combines with water to give an acid is termed as an acidic oxide. The oxide that gives a base in water is known as a basic oxide.
Generally Group 1 and Group 2 metals form bases called base anhydrides or basic oxides e.g.,
4K+O2→2K2O
Basic oxides are the oxides of metals. If soluble in water, they react with water to produce hydroxides (alkalies) e.g.,
K2O(s)+H2O(l)→2KOH(aq))
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