Lembaran kerja Kimia untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is a precipitate?

1. AA gas that bubbles out when two solutions are mixed
2. BA liquid that forms when a solid melts
3. CAn insoluble solid that forms when two solutions react
4. DA substance that speeds up a reaction

According to the Arrhenius definition, what does a base produce in water?

1. ACarbonate ions (CO₃²⁻)
2. BHydrogen ions (H⁺)
3. CChloride ions (Cl⁻)
4. DHydroxide ions (OH⁻)

What is a solution?

1. AA mixture in which particles settle out on standing
2. BA pure compound made of two elements
3. CA solid that has been melted
4. DA mixture that is the same throughout (homogeneous)

Pernyataan manakah menghuraikan proses endotermik?

1. AIa tidak menyerap mahupun membebaskan sebarang tenaga
2. BIa berlaku hanya pada suhu yang sangat tinggi
3. CIa membebaskan haba, jadi persekitaran terasa lebih hangat
4. DIa menyerap haba, jadi persekitaran terasa lebih sejuk

A red blood cell is placed in pure water (a hypotonic solution). What happens?

1. ANothing happens to the cell
2. BWater leaves the cell, which shrinks and wrinkles
3. CSalt enters the cell, which shrinks
4. DWater enters the cell, which swells and may burst

0.5 mol of KCl is dissolved to make 250 mL of solution. What is its molarity?

1. A2 M
2. B0.125 M
3. C0.5 M
4. D125 M

Pernyataan manakah tentang mangkin dalam tindak balas berbalik adalah betul?

1. AIa meningkatkan jumlah hasil pada keseimbangan
2. BIa mempercepat kedua-dua arah dengan sama rata
3. CIa digunakan habis apabila tindak balas berlangsung
4. DIa hanya mempercepat tindak balas ke hadapan dan menghentikan tindak balas songsang

Mengapakah garam yang ditabur di atas jalan raya berais membantu ais mencair?

1. AGaram terlarut merendahkan takat beku air
2. BGaram bertindak balas dengan ais dan membebaskan banyak haba
3. CGaram menjadikan ais lebih tumpat supaya tenggelam ke dalam jalan
4. DGaram menaikkan takat beku air