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For a given substance, in which state do its particles move fastest?

1. ALiquid
2. BSolid
3. CThey move at the same speed in all states
4. DGas

Apa yang dihasilkan asam dan basa ketika saling menetralkan?

1. AAsam yang lebih kuat
2. BGaram dan air
3. CHanya karbon dioksida
4. DLogam dan gas hidrogen

Which quantity is the same for 1 mole of any substance?

1. AThe number of atoms per molecule
2. BThe mass in grams
3. CThe number of particles
4. DThe volume as a liquid

Using significant figures, what is 2,5 cm × 3,42 cm?

1. A8,6 cm²
2. B8,55 cm²
3. C8,550 cm²
4. D9 cm²

Which substance is a non-electrolyte when dissolved in water?

1. APotassium chloride
2. BSodium chloride
3. CGlucose
4. DHydrochloric acid

An exothermic reaction is at equilibrium. What happens if the temperature is raised?

1. AThe equilibrium shifts toward the products, raising the yield
2. BThe equilibrium shifts toward the reactants
3. CThe equilibrium does not change
4. DThe reaction becomes endothermic

Mengapa garam yang ditaburkan di jalan beres membantu es mencair?

1. AGaram terlarut menurunkan titik beku air
2. BGaram membuat es lebih rapat sehingga tenggelam ke dalam jalan
3. CGaram menaikkan titik beku air
4. DGaram bereaksi dengan es dan melepaskan banyak kalor

At room temperature chlorine (Cl₂) is a gas, bromine (Br₂) is a liquid and iodine (I₂) is a solid. What best explains this trend?

1. AIodine forms hydrogen bonds but chlorine does not
2. BLarger molecules with more electrons have stronger dispersion forces
3. CChlorine is ionic, while iodine is metallic
4. DThe covalent bond in I₂ is much stronger than in Cl₂