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Which of the following oxides is not expected to react with sodium hydroxide?

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Which of the following oxides is not expected to react with sodium hydroxide?

(a) CaO 

(b) SiO2

(c) BeO 

(d) B2O3

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1 Answer

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Best answer

The correct option is: (a) CaO 

Explanation:

CaO being a basic oxide does not react with NaOH, however SiO2 (acidic oxide), BeO (amphoteric oxide) and Br2O3 (acidic oxide) react with NaOH.

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