CH-1596
Reactivity series
Chemistry · Secondary 4 · Medium · Reactivity series
Hydrogen gas is passed over heated lead(II) oxide and heated magnesium oxide in separate experiments. Lead is less reactive than hydrogen, while magnesium is more reactive than hydrogen. What will be observed?
- Lead(II) oxide: grey solid forms / Magnesium oxide: no visible change
- Lead(II) oxide: no visible change / Magnesium oxide: grey solid forms
- Both oxides: grey solids form
- Both oxides: no visible change
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