Werkblad Scheikunde voor toelatingsexamens verpleegkunde met antwoorden

What is the change from a gas to a liquid called?

1. AFreezing
2. BCondensation
3. CEvaporation
4. DSublimation

Between which kinds of elements do covalent bonds usually form?

1. ATwo group 1 metals
2. BA metal and a noble gas
3. CA metal and a nonmetal
4. DTwo nonmetals

Chloor, broom en jood zijn voorbeelden van welke groep?

1. AHalogenen
2. BOvergangsmetalen
3. CEdelgassen
4. DAlkalimetalen

How should the volume of water in a graduated cylinder be read?

1. AAt eye level, from the bottom of the curved surface (meniscus)
2. BFrom below, at the highest point the water touches the glass
3. CAt any angle, from the middle of the cylinder
4. DFrom above the cylinder, at the top edge of the curved surface

Which statement describes a saturated fat?

1. AIts fatty acid chains have many carbon–carbon double bonds
2. BIts fatty acid chains have no carbon–carbon double bonds
3. CIt is always liquid at room temperature
4. DIt contains no carbon atoms

Why does oxygen move from the alveoli of the lungs into the blood?

1. AThe partial pressure of oxygen is higher in the blood than in the alveoli
2. BOxygen is pumped actively into the blood
3. COxygen is heavier than carbon dioxide
4. DThe partial pressure of oxygen is higher in the alveoli than in the blood

Steel can be protected from rusting by coating it with zinc (galvanising). Why does the steel stay protected even if the zinc coating is scratched?

1. AZinc is more reactive than iron, so it corrodes instead of the iron
2. BZinc absorbs all the water from the air
3. CZinc is less reactive than iron, so it pushes oxygen and water away from the iron
4. DZinc turns the iron into a noble metal

Welke uitspraak over een katalysator in een omkeerbare reactie klopt?

1. AHij verhoogt de hoeveelheid product in het evenwicht
2. BHij versnelt alleen de heenreactie en stopt de terugreactie
3. CHij versnelt beide richtingen even sterk
4. DHij wordt verbruikt naarmate de reactie verloopt