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 does the coefficient 3 in "3H₂O" mean?

  1. AEach water molecule has three oxygen atoms
  2. BWater has a charge of 3
  3. CThere are three molecules (or moles) of water
  4. DEach molecule of water contains three hydrogen atoms
2.Makkelijk

What is the maximum number of electrons the first electron shell can hold?

  1. A8
  2. B18
  3. C2
  4. D1
3.Makkelijk

Which acid is found in the stomach?

  1. AHydrochloric acid
  2. BSulfuric acid
  3. CAcetic acid
  4. DNitric acid
4.Gemiddeld

A red blood cell is placed in a concentrated (hypertonic) salt solution. What happens?

  1. ASalt leaves the cell, which swells
  2. BWater leaves the cell, which shrinks
  3. CWater enters the cell, which swells and may burst
  4. DThe cell stays the same size and shape
5.Gemiddeld

Which nuclear process powers the Sun?

  1. AFusion of hydrogen nuclei to form helium
  2. BCombustion of hydrogen gas with oxygen in its core
  3. CFission of uranium into smaller nuclei
  4. DAlpha decay of helium
6.Gemiddeld

What is the name of the compound CaCO₃?

  1. ACalcium carbonate
  2. BCalcium carbide
  3. CCalcium oxide
  4. DCarbon calcium trioxide
7.Moeilijk

For N₂ + 3H₂ → 2NH₃, 1 mol of N₂ is mixed with 2 mol of H₂. Which reactant is limiting?

  1. AH₂, because 1 mol of N₂ would need 3 mol of H₂
  2. BNeither, because both are used up exactly
  3. CN₂, because there is less of it
  4. DNH₃, because it is the product
8.Moeilijk

Ammonia (NH₃) has three bonding pairs and one lone pair on nitrogen. What is its shape?

  1. ATetrahedral
  2. BFlat triangle (trigonal planar)
  3. CLinear
  4. DTrigonal pyramidal

Antwoordenblad

  1. 1. C · There are three molecules (or moles) of water
  2. 2. C · 2
  3. 3. A · Hydrochloric acid
  4. 4. B · Water leaves the cell, which shrinks
  5. 5. A · Fusion of hydrogen nuclei to form helium
  6. 6. A · Calcium carbonate
  7. 7. A · H₂, because 1 mol of N₂ would need 3 mol of H₂
  8. 8. D · Trigonal pyramidal

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