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

What is the name for the attraction of water molecules to each other?

1. ACohesion
2. BOsmosis
3. CAdhesion
4. DDiffusion

According to the kinetic molecular theory, how do gas particles move?

1. AAlways in a single direction, set by the pull of gravity
2. BOnly when heated, and then in neat lines between the walls
3. CSlowly in fixed positions
4. DConstantly, randomly and in straight lines between collisions

What is the normal pH range of human arterial blood?

1. A7,35 to 7,45
2. B6,35 to 6,45
3. C7,85 to 7,95
4. D7,00 to 7,10

A reaction has ΔH = −890 kJ/mol. What does the negative sign tell you?

1. AThe reaction is at equilibrium
2. BThe reaction is exothermic
3. CThe reaction is endothermic
4. DThe reaction needs a catalyst

The amino acid glycine has an –NH₂ group and a –COOH group. What are these two groups called?

1. AA carbonyl group and an ester group
2. BA phosphate group and a hydroxyl group
3. CAn amino group and a carboxyl group
4. DA hydroxyl group and a methyl group

В реакции 2H₂ + O₂ → 2H₂O сколько молей воды образуется из 3 молей кислорода?

1. A6 моль
2. B3 моль
3. C1,5 моль
4. D2 моль

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁵?

1. AArgon
2. BSulfur
3. CFluorine
4. DChlorine

Why does a burn from steam at 100 °C usually cause more damage than one from liquid water at 100 °C?

1. ASteam particles are hotter than water particles at the same reading
2. BSteam releases a large amount of extra energy as it condenses on the skin
3. CLiquid water cannot pass any of its heat to the skin
4. DSteam carries dissolved acid that damages the skin