JAMB - Chemistry (2004 - No. 22)
ZnO(s) + CO(g) → Zn(s) + CO\(_2\)(g)
In the reaction above, Zinc has been
In the reaction above, Zinc has been
decomposed
displaced
oxidized
reduced
Giải thích
A substance is reduced when it gains electrons or loses oxygen.i,e it undergoes reduction. while a substance is oxidized, when it loses electrons, gains oxygen, or has hydrogen removed. Therefore, Zn is reduced because it lost oxygen.