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Sifat mana yang khas bagi logam?

1. APenghantar panas yang buruk
2. BSebagian besar berwujud gas pada suhu kamar
3. CMenghantarkan listrik dengan baik
4. DPadatan rapuh yang mudah pecah

Boyle's law describes the relationship between which two properties of a gas, at constant temperature?

1. AVolume and temperature
2. BPressure and volume
3. CPressure and temperature
4. DMass and volume

Which is a sign that a chemical reaction may have taken place?

1. AA gas is produced when two liquids are mixed
2. BA block of wax melts when it is heated
3. CWater freezes into ice when put in a freezer
4. DSugar dissolves completely when stirred into water

Uranium-235 and uranium-238 both have 92 protons. How many more neutrons does an atom of uranium-238 have?

1. A0
2. B146
3. C92
4. D3

What feature makes a hydrocarbon an alkene?

1. AAt least one carbon–carbon double bond
2. BAn –OH group
3. CA ring of six carbon atoms with no hydrogen
4. DOnly carbon–carbon single bonds

How does evaporation differ from boiling?

1. AEvaporation needs a higher temperature than boiling
2. BEvaporation happens throughout the liquid at a set temperature; boiling happens only at the surface
3. CEvaporation produces a solid, while boiling produces a gas
4. DEvaporation happens only at the surface and at any temperature; boiling happens throughout the liquid at a set temperature

2 mol H₂ dan 2 mol O₂ dicampur dan bereaksi sebagai 2H₂ + O₂ → 2H₂O. Pereaksi mana yang menjadi pereaksi pembatas?

1. ATidak ada, karena jumlahnya sama
2. BAir, karena merupakan produk
3. CHidrogen, karena 2 mol H₂ hanya memakai 1 mol O₂
4. DOksigen, karena oksigen lebih sedikit daripada hidrogen

In the reaction NaCl(aq) + AgNO₃(aq) → AgCl(s) + NaNO₃(aq), which ions are spectator ions?

1. ANa⁺ and Cl⁻
2. BNa⁺ and NO₃⁻
3. CAg⁺ and NO₃⁻
4. DAg⁺ and Cl⁻