解答つき看護学校入学試験のための化学ワークシート

What does the prefix "milli-" mean?

1. AOne-hundredth (10⁻²)
2. BOne-millionth (10⁻⁶)
3. COne-thousandth (10⁻³)
4. DOne thousand (10³)

Which of these is a heterogeneous mixture?

1. ASalt dissolved in water
2. BAir
3. COil and water
4. DSugar dissolved in tea

Apart from mercury, which element is a liquid at room temperature?

1. ASodium
2. BBromine
3. CIodine
4. DChlorine

Which assumption is made about an ideal gas?

1. AIts particles lose energy in every collision
2. BIts particles stay still at room temperature
3. CIts particles have no attraction to each other
4. DIts particles are large, closely packed and strongly attracted

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。

1. A一酸化炭素と水素
2. B酸素と水
3. C炭素と水素ガス
4. D二酸化炭素と水

飽和溶液とは何か。

1. Aその温度で溶ける限りの溶質を含んでいる溶液
2. B多量の溶媒に少量の溶質だけが溶けている溶液
3. C電気を通さない溶液
4. D溶媒をまったく含まない溶液

In the fission reaction ²³⁵U + ¹n → ¹⁴¹Ba + ⁹²Kr + ? ¹n, how many neutrons are released?

1. A3
2. B2
3. C4
4. D1

Why is gamma radiation used to sterilise sealed medical supplies such as syringes?

1. AIt adds a protective chemical coating to the items
2. BIt passes through the packaging and kills microbes without making the items radioactive
3. CIt heats the items to very high temperatures, so the microbes are burned away inside the pack
4. DIt is stopped by the packaging, so it only cleans the outside