1.やさしい
According to the kinetic molecular theory, how do gas particles move?
- AConstantly, randomly and in straight lines between collisions
- BAlways in a single direction, set by the pull of gravity
- COnly when heated, and then in neat lines between the walls
- DSlowly in fixed positions
2.やさしい
物理変化はどれか。
- A鉄がさびる
- Bパンがこんがり焼けて茶色くなる
- C牛乳が酸っぱくなる
- D水が沸騰して水蒸気になる
3.やさしい
電気的に中性の原子が陽子を 11 個もつ。電子はいくつあるか。
- A10
- B11
- C22
- D12
4.ふつう
What is the molar mass of sulfuric acid, H₂SO₄ (H = 1, S = 32, O = 16 g/mol)?
- A50 g/mol
- B49 g/mol
- C96 g/mol
- D98 g/mol
5.ふつう
メタンなどの炭化水素が完全燃焼したときの生成物は何か。
- A酸素と水
- B二酸化炭素と水
- C炭素と水素ガス
- D一酸化炭素と水素
6.ふつう
Rubbing alcohol evaporates faster than water at room temperature. What does this suggest?
- AIts intermolecular forces are stronger than water's
- BIts molecules are heavier than water molecules
- CIts intermolecular forces are weaker than water's
- DIt has a higher boiling point than water
7.むずかしい
What is the correct name of Cu₂O?
- ACopper dioxide
- BCopper(I) oxide
- CCopper(II) oxide
- DDicopper oxide
8.むずかしい
An element has the electron arrangement 2, 8, 8, 2. Where is it on the periodic table?
- AGroup 2, period 4
- BGroup 2, period 2
- CGroup 8, period 2
- DGroup 4, period 2
解答
- 1. A · Constantly, randomly and in straight lines between collisions
- 2. D · 水が沸騰して水蒸気になる
- 3. B · 11
- 4. D · 98 g/mol
- 5. B · 二酸化炭素と水
- 6. C · Its intermolecular forces are weaker than water's
- 7. B · Copper(I) oxide
- 8. A · Group 2, period 4
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