Werkblad Scheikunde voor toelatingsexamens verpleegkunde met antwoorden

Gratis printbaar werkblad Scheikunde voor toelatingsexamens verpleegkunde: 8 opgaven van makkelijk tot tentamenniveau, met antwoordenblad. Print het of sla het op als pdf.

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Naam: ____________________   Datum: ____________

1.Makkelijk

What is the SI unit of pressure?

  1. APascal (Pa)
  2. BNewton (N)
  3. CLitre (L)
  4. DJoule (J)
2.Makkelijk

Hoe heet de overgang van vloeistof naar gas?

  1. ACondensatie
  2. BStollen
  3. CVerdamping
  4. DSmelten
3.Makkelijk

What do the letters STP stand for in gas chemistry?

  1. ASpecific temperature and particles
  2. BStandard temperature and pressure
  3. CStandard time and pressure
  4. DStable temperature point
4.Gemiddeld

What percentage of the mass of water (H₂O, 18 g/mol) is hydrogen (H = 1 g/mol)?

  1. AAbout 11%
  2. BAbout 5,6%
  3. CAbout 89%
  4. DAbout 67%
5.Gemiddeld

How does evaporation differ from boiling?

  1. AEvaporation happens throughout the liquid at a set temperature; boiling happens only at the surface
  2. BEvaporation needs a higher temperature than boiling
  3. CEvaporation happens only at the surface and at any temperature; boiling happens throughout the liquid at a set temperature
  4. DEvaporation produces a solid, while boiling produces a gas
6.Gemiddeld

In the ideal gas law, PV = nRT, what does n stand for?

  1. AThe density of the gas
  2. BThe number of molecules of gas
  3. CThe number of moles of gas
  4. DThe number of atoms per molecule
7.Moeilijk

Which pair of substances could form a buffer solution?

  1. AHydrochloric acid (HCl) and sodium hydroxide (NaOH)
  2. BSodium chloride (NaCl) and water
  3. CHydrochloric acid (HCl) and chloride (Cl⁻)
  4. DCarbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
8.Moeilijk

Which statement correctly distinguishes a scientific law from a scientific theory?

  1. AA theory becomes a law once it is proved
  2. BA law is only a guess, while a theory is a proven fact
  3. CLaws apply only to chemistry, theories only to biology
  4. DA law describes what happens; a theory explains why it happens

Antwoordenblad

  1. 1. A · Pascal (Pa)
  2. 2. C · Verdamping
  3. 3. B · Standard temperature and pressure
  4. 4. A · About 11%
  5. 5. C · Evaporation happens only at the surface and at any temperature; boiling happens throughout the liquid at a set temperature
  6. 6. C · The number of moles of gas
  7. 7. D · Carbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
  8. 8. D · A law describes what happens; a theory explains why it happens

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