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Science · 2023 · 1 mark
CBSE 2023 · Region 6 · Set 1 · Q1
Metal oxides generally react with acids, but few oxides of metal also react with bases. Such metallic oxides are : I. MgO II. ZnO III. $\displaystyle \mathrm{Al}_{2} \mathrm{O}_{3}$ IV. CaO
Official answer
From CBSE’s own marking scheme for this paper.
(B)
II and III
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CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.