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 \(ZnSO_4\).​