Lembar kerja Kimia untuk ujian masuk keperawatan dengan jawaban

Which form of sugar dissolves fastest in a cup of tea?

1. AA sugar cube
2. BGranulated sugar
3. CA large lump of rock sugar
4. DAll forms dissolve at the same rate

What is the melting point of a substance?

1. AThe temperature at which its liquid turns into a gas
2. BThe temperature at which its solid turns into a liquid
3. CThe temperature at which it catches fire
4. DThe temperature at which it dissolves in water

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

1. AChloride ions (Cl⁻)
2. BCarbonate ions (CO₃²⁻)
3. CHydrogen ions (H⁺)
4. DHydroxide ions (OH⁻)

Pada suhu tetap, volume gas dijadikan setengahnya. Apa yang terjadi pada tekanannya?

1. AMenjadi dua kali lipat
2. BTetap sama
3. CMenjadi setengahnya
4. DMenjadi empat kali lebih kecil

What is the molar mass of sulfuric acid, H₂SO₄ (H = 1, S = 32, O = 16 g/mol)?

1. A96 g/mol
2. B98 g/mol
3. C49 g/mol
4. D50 g/mol

How many moles of gas are in 44,8 L at STP (0 °C and 1 atm)?

1. A2 mol
2. B44,8 mol
3. C22,4 mol
4. D0,5 mol

Using PV = nRT with R = 0,082 L·atm/(mol·K), how many moles of gas are in 24,6 L at 1 atm and 300 K?

1. A300 mol
2. B1 mol
3. C2 mol
4. D0,5 mol

Ikatan mana yang paling polar?

1. AH–H
2. BH–F
3. CCl–Cl
4. DC–H