Химия для вступительных экзаменов на сестринские программы: лист заданий с ответами

What is osmosis?

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

Как называется вертикальный столбец периодической таблицы?

1. AГруппа
2. BОболочка
3. CРяд
4. DПериод

What is plasma, as a state of matter?

1. AA liquid that has been cooled below its freezing point
2. BThe liquid part of blood
3. CA solid that conducts electricity
4. DA very hot gas in which atoms have lost electrons and become ions

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

1. AGlucose
2. BSodium chloride
3. CPotassium chloride
4. DHydrochloric acid

When the diaphragm contracts and the chest cavity gets bigger, what happens to the air pressure inside the lungs?

1. AIt does not change
2. BIt falls, so air flows out
3. CIt rises, so air flows in
4. DIt falls, so air flows in

A plastic block has a density of 0,8 g/cm³. What happens when it is placed in water (density 1,0 g/cm³)?

1. AIt sinks
2. BIt stays suspended halfway down
3. CIt dissolves
4. DIt floats

Какая связь наиболее полярна?

1. ACl–Cl
2. BC–H
3. CH–F
4. DH–H

What is (8 × 10⁶) ÷ (2 × 10⁻²)?

1. A4 × 10⁻¹²
2. B16 × 10⁴
3. C4 × 10⁴
4. D4 × 10⁸