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 a single covalent bond?

  1. AOne pair of electrons shared between two atoms
  2. BTwo pairs of electrons shared between two atoms
  3. COne electron transferred from one atom to another
  4. DThe attraction between two oppositely charged ions
2.Makkelijk

How many millilitres are in 1 litre?

  1. A1000
  2. B10,000
  3. C10
  4. D100
3.Makkelijk

Plants absorb energy from sunlight during photosynthesis. How is photosynthesis classified?

  1. ANuclear
  2. BEndothermic
  3. CNeutralisation
  4. DExothermic
4.Gemiddeld

Hoeveel mol is 88 g koolstofdioxide (molaire massa 44 g/mol)?

  1. A2 mol
  2. B44 mol
  3. C3872 mol
  4. D0,5 mol
5.Gemiddeld

Why is a carbon dioxide extinguisher effective on many fires?

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

How many molecules are in 2 mol of carbon dioxide?

  1. A2,00 × 10²³
  2. B6,02 × 10²³
  3. C3,01 × 10²³
  4. D1,20 × 10²⁴
7.Moeilijk

Half-normal saline (0,45% NaCl) is compared with blood plasma, which has about the same concentration as 0,9% NaCl. How is 0,45% NaCl described, and what happens to red blood cells placed in it?

  1. AIsotonic; water moves equally in and out, so the cells keep their shape
  2. BHypertonic; salt moves into the cells, which then swell
  3. CHypertonic; water tends to move out of the cells, which shrink
  4. DHypotonic; water tends to move into the cells, which swell
8.Moeilijk

A liquid has a density of 1,2 g/mL. What is the mass of 250 mL of this liquid?

  1. A251,2 g
  2. B30 g
  3. C208 g
  4. D300 g

Antwoordenblad

  1. 1. A · One pair of electrons shared between two atoms
  2. 2. A · 1000
  3. 3. B · Endothermic
  4. 4. A · 2 mol
  5. 5. C · CO₂ is denser than air and pushes oxygen away from the fire
  6. 6. D · 1,20 × 10²⁴
  7. 7. D · Hypotonic; water tends to move into the cells, which swell
  8. 8. D · 300 g

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