Which of the following oxides is a basic oxide?

  1. A

    CO2

  2. B

    SiO2

  3. C

    GeO2

  4. D

    PbO2

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    Solution:

    Lead oxide is a metallic oxide that interacts with hydrochloric acid to form lead chloride and water, however because chlorine is also created, it is not considered a base. so correct answer is (d).

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