CAPF 2021Q16
Q: Which one of the following metal oxides does not usually react with sodium hydroxide?
(a)Copper oxide
(b)Aluminium oxide
(c)Potassium oxide
(d)Calcium oxide
Answer pending verification
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CAPF 2021Q. 16 of 125
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Q: Which one of the following metal oxides does not usually react with sodium hydroxide?