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

Which mixture is a suspension?

  1. ASugar dissolved in water
  2. BSand stirred into water
  3. COxygen dissolved in water
  4. DSalt dissolved in water
2.Makkelijk

What is an element?

  1. AA substance of two or more elements chemically bonded together
  2. BA particle with an electric charge
  3. CA physical mixture of different substances
  4. DA substance made of only one kind of atom
3.Makkelijk

For a given substance, in which state do its particles move fastest?

  1. ALiquid
  2. BThey move at the same speed in all states
  3. CGas
  4. DSolid
4.Gemiddeld

Why is a carbon dioxide extinguisher effective on many fires?

  1. ACO₂ adds oxygen to cool the flames
  2. BCO₂ is denser than air and pushes oxygen away from the fire
  3. CCO₂ is a liquid that soaks into the fuel
  4. DCO₂ reacts chemically with the fuel to make it non-flammable
5.Gemiddeld

Wat is de molaire massa van water (H = 1 g/mol, O = 16 g/mol)?

  1. A17 g/mol
  2. B32 g/mol
  3. C18 g/mol
  4. D10 g/mol
6.Gemiddeld

A patient's arterial blood pH is 7,25. How is this described?

  1. ANormal
  2. BAcidosis
  3. CAlkalosis
  4. DNeutral
7.Moeilijk

At the top of a high mountain, air still contains about 21% oxygen. Why do climbers still get less oxygen with each breath?

  1. AOxygen is heavier, so it all sinks to sea level
  2. BThe percentage of oxygen in the air falls sharply as you climb higher
  3. CCold air contains no oxygen
  4. DThe total air pressure is lower, so the partial pressure of oxygen is lower
8.Moeilijk

Element A has 1 valence electron and element B has 7 valence electrons, both in period 3. Which statement best compares them?

  1. ABoth are metalloids
  2. BA is a nonmetal and B is a metal
  3. CBoth are unreactive because they are in the same period
  4. DA is a reactive metal and B is a reactive nonmetal

Antwoordenblad

  1. 1. B · Sand stirred into water
  2. 2. D · A substance made of only one kind of atom
  3. 3. C · Gas
  4. 4. B · CO₂ is denser than air and pushes oxygen away from the fire
  5. 5. C · 18 g/mol
  6. 6. B · Acidosis
  7. 7. D · The total air pressure is lower, so the partial pressure of oxygen is lower
  8. 8. D · A is a reactive metal and B is a reactive nonmetal

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