PDF chapter test TRY NOW
1. Identify the changes involved in the following processes as physical or chemical changes.
(e) Sublimation of solid ammonium chloride.
Ammonium chloride sublimation is a in which a solid-state transforms into a state.
2. Identify the oxidising agent (oxidant) in the following reaction.
\(CuSO_4\) + \(Zn\) → \(Cu\) + \(ZnSO_4\)
An oxidising agent (oxidant) is a substance that oxidized another substance (by losing electrons or removing hydrogen or adding oxygen, or increasing oxidation state) while also being .
\(CuSO_4\) + \(Zn\) →
\(CuSO_4\) is an oxidizer because it converts \(Zn\) to \(ZnSO_4\).
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