1.やさしい
What is an unsaturated solution?
- AA solution that holds the maximum possible solute
- BA solution that can still dissolve more solute
- CA solution with no solute at all
- DA solution with undissolved solid at the bottom
2.やさしい
Apart from mercury, which element is a liquid at room temperature?
- AChlorine
- BBromine
- CSodium
- DIodine
3.やさしい
According to the kinetic molecular theory, how do gas particles move?
- AOnly when heated, and then in neat lines between the walls
- BConstantly, randomly and in straight lines between collisions
- CSlowly in fixed positions
- DAlways in a single direction, set by the pull of gravity
4.ふつう
塩素37の原子は陽子を 17 個もつ。中性子はいくつか。
- A37
- B20
- C54
- D17
5.ふつう
How does dissolving salt in water affect the water's boiling point?
- AIt raises the boiling point slightly
- BIt lowers the boiling point slightly
- CIt makes the water boil at room temperature
- DIt has no effect on the boiling point
6.ふつう
A student tests how temperature affects the rate of a reaction. What is the independent variable?
- AThe reaction rate
- BThe temperature
- CThe type of beaker used
- DThe volume of acid, which is kept the same
7.むずかしい
可逆反応における触媒について、正しい記述はどれか。
- A平衡時の生成物の量を増やす
- B反応が進むにつれて消費される
- C両方向を同じように速める
- D正反応だけを速め、逆反応を止める
8.むずかしい
ある元素の電子配置は 2, 8, 7 である。この元素がなりやすいイオンはどれか。
- A2− のイオン
- B1+ のイオン
- C1− のイオン
- D7+ のイオン
解答
- 1. B · A solution that can still dissolve more solute
- 2. B · Bromine
- 3. B · Constantly, randomly and in straight lines between collisions
- 4. B · 20
- 5. A · It raises the boiling point slightly
- 6. B · The temperature
- 7. C · 両方向を同じように速める
- 8. C · 1− のイオン
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