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प्रश्न
A compound containing - two atoms of oxygen.
पर्याय
Sodium hydroxide
Calcium hydroxide
Lead nitrate
Nitric acid
MCQ
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उत्तर
Calcium hydroxide
Explanation:
According to the laws of chemical combination, a divalent calcium radical (Ca2+) requires two monovalent hydroxyl radicals (OH−) to form an electrically neutral molecule. This chemical combination results in the stable compound,Ca(OH)2 which inherently contains exactly two atoms of oxygen.
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