हिंदी

Choose the odd one out and give a reason: CaO, Na2O, ZnO, NaOH

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प्रश्न

Choose the odd one out & give a reason:

विकल्प

  • CaO

  • Na2O

  • ZnO

  • NaOH

MCQ
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उत्तर

NaOH

It is a base containing a replaceable hydroxyl ion. whereas the other three bases contain replaceable oxide ions.

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