Lembaran kerja Kimia untuk peperiksaan kemasukan kejururawatan dengan jawapan
Lembaran kerja Kimia untuk peperiksaan kemasukan kejururawatan percuma untuk dicetak: 8 soalan dari mudah hingga tahap peperiksaan, dengan skema jawapan. Cetak atau simpan sebagai PDF.
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Nama: ____________________ Tarikh: ____________
1.Mudah
For a given substance, in which state do its particles move fastest?
ASolid
BLiquid
CThey move at the same speed in all states
DGas
2.Mudah
What is the smallest particle of an element that still has the chemical properties of that element?
AA proton
BA nucleus
CAn electron
DAn atom
3.Mudah
What does the coefficient 3 in "3H₂O" mean?
AThere are three molecules (or moles) of water
BEach molecule of water contains three hydrogen atoms
CWater has a charge of 3
DEach water molecule has three oxygen atoms
4.Sederhana
Nitrogen is in group 15 of the periodic table. How many valence electrons does a nitrogen atom have?
A5
B7
C3
D15
5.Sederhana
A red blood cell is placed in a concentrated (hypertonic) salt solution. What happens?
ASalt leaves the cell, which swells
BWater enters the cell, which swells and may burst
CWater leaves the cell, which shrinks
DThe cell stays the same size and shape
6.Sederhana
On an energy diagram, the products are at a lower energy than the reactants. What kind of reaction is shown?
AReversible only
BEndothermic
CExothermic
DNuclear
7.Sukar
Which pair of substances could form a buffer solution?
ACarbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
BHydrochloric acid (HCl) and sodium hydroxide (NaOH)
CHydrochloric acid (HCl) and chloride (Cl⁻)
DSodium chloride (NaCl) and water
8.Sukar
2 mol H₂ dan 2 mol O₂ dicampurkan dan bertindak balas sebagai 2H₂ + O₂ → 2H₂O. Bahan tindak balas manakah pengehad?
AOksigen, kerana oksigen lebih sedikit daripada hidrogen
BTiada, kerana jumlahnya sama
CAir, kerana ia hasil
DHidrogen, kerana 2 mol H₂ hanya menggunakan 1 mol O₂
Kunci jawapan
1. D · Gas
2. D · An atom
3. A · There are three molecules (or moles) of water
4. A · 5
5. C · Water leaves the cell, which shrinks
6. C · Exothermic
7. A · Carbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
8. D · Hidrogen, kerana 2 mol H₂ hanya menggunakan 1 mol O₂
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