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
What is oxidation, in terms of electrons?
ALoss of protons
BGain of neutrons
CLoss of electrons
DGain of electrons
2.Mudah
What is a solution?
AA pure compound made of two elements
BA mixture in which particles settle out on standing
CA mixture that is the same throughout (homogeneous)
DA solid that has been melted
3.Mudah
What are the units of molarity?
AGrams of solute per 100 g of solution
BGrams of solute per litre of solution (g/L)
CMoles of solute per kilogram of the solvent used
DMoles of solute per litre of solution (mol/L)
4.Sederhana
Bagaimanakah suhu yang lebih tinggi lazimnya menjejaskan jumlah pepejal yang larut dalam air?
APepejal bertukar menjadi gas
BIa tiada kesan pada pepejal
CLebih banyak pepejal larut
DKurang pepejal larut
5.Sederhana
Nitrogen is in group 15 of the periodic table. How many valence electrons does a nitrogen atom have?
A3
B15
C5
D7
6.Sederhana
For the gas reaction N₂ + 3H₂ ⇌ 2NH₃, what is the effect of increasing the pressure?
AThe equilibrium shifts to the left, toward N₂ and H₂
BThe equilibrium shifts to the right, toward NH₃
CThe NH₃ breaks down completely
DThere is no effect on the equilibrium
7.Sukar
Dalam persamaan N₂ + 3H₂ → 2NH₃, berapa gram ammonia (17 g/mol) boleh dibuat daripada 1 mol N₂ dengan hidrogen berlebihan?
A28 g
B51 g
C34 g
D17 g
8.Sukar
A reaction at equilibrium has a very large equilibrium constant (K much greater than 1). What does this tell you?
AThe reaction cannot reach equilibrium
BAt equilibrium, the mixture contains mostly products
CAt equilibrium, the mixture contains mostly reactants
DThe reaction is very fast
Kunci jawapan
1. C · Loss of electrons
2. C · A mixture that is the same throughout (homogeneous)
3. D · Moles of solute per litre of solution (mol/L)
4. C · Lebih banyak pepejal larut
5. C · 5
6. B · The equilibrium shifts to the right, toward NH₃
7. C · 34 g
8. B · At equilibrium, the mixture contains mostly products
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