Lembaran kerja Kimia untuk peperiksaan kemasukan kejururawatan dengan jawapan

Apakah mol dalam kimia?

1. AKuantiti bahan yang mengandungi 6.02 × 10²³ zarah
2. BJisim dalam gram tepat satu atom karbon-12 pada skala itu
3. CIsi padu satu liter mana-mana gas
4. DBilangan proton dalam atom

What is the name of the polyatomic ion NH₄⁺?

1. ANitrate
2. BNitride
3. CAmmonia
4. DAmmonium

Dalam tindak balas A + B → AB, apakah jenis tindak balas yang ditunjukkan?

1. APembakaran
2. BSintesis (penggabungan)
3. CPenguraian
4. DPenggantian tunggal

When mercury(II) oxide is heated, it reacts as 2HgO → 2Hg + O₂. What type of reaction is this?

1. ASingle replacement
2. BDecomposition
3. CSynthesis
4. DCombustion

Apakah cas ion klorida?

1. A+1
2. B−1
3. C−2
4. D+7

To which family of organic compounds does ethanol, C₂H₅OH, belong?

1. ACarboxylic acids
2. BAlcohols
3. CAlkanes
4. DEsters

A student tests whether water temperature affects how fast sugar dissolves. Which set of factors should be kept the same in every trial?

1. AThe water temperature and the dissolving time
2. BOnly the colour of the cup
3. CNothing, because changing several factors at once gives more useful data
4. DThe mass of sugar, the type of sugar, the volume of water and the amount of stirring

Ikatan manakah paling berkutub?

1. AH–H
2. BCl–Cl
3. CH–F
4. DC–H