ใบงาน เคมีสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

Which unit is commonly used for the density of a liquid?

1. AmL/g
2. Bkg
3. Cg·mL
4. Dg/mL

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

1. AChlorine
2. BSodium
3. CIodine
4. DBromine

What is osmosis?

1. AThe movement of solute particles against a gradient using energy
2. BThe dissolving of a gas in a liquid
3. CThe movement of water across a semipermeable membrane
4. DThe breaking of a solid into ions

เจือจางสารละลาย 2 M ปริมาตร 100 mL จนมีปริมาตรรวม 400 mL ความเข้มข้นใหม่เป็นเท่าใด

1. A2 M
2. B0.5 M
3. C1 M
4. D8 M

Why can a very high fever disrupt the body's chemical reactions?

1. AHigh temperatures turn enzymes into fats
2. BHigh temperatures make every enzyme work faster without any limit
3. CHigh temperatures can change the shape of enzymes so they stop working
4. DHigh temperatures remove the water from blood

A piece of metal has a density of 8 g/cm³ and a volume of 5 cm³. What is its mass?

1. A0.625 g
2. B13 g
3. C1.6 g
4. D40 g

Carbon-14 (atomic number 6) decays by emitting a beta particle. What does it become?

1. ABoron-14
2. BNitrogen-14
3. CCarbon-13
4. DNitrogen-15

A gas occupies 4 L at 2 atm and 200 K. What is its volume at 1 atm and 400 K?

1. A8 L
2. B1 L
3. C16 L
4. D4 L