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 normal pH range of human arterial blood?

  1. A7,00 to 7,10
  2. B7,85 to 7,95
  3. C7,35 to 7,45
  4. D6,35 to 6,45
2.Makkelijk

What is the molar mass of oxygen gas, O₂ (O = 16 g/mol)?

  1. A32 g/mol
  2. B8 g/mol
  3. C48 g/mol
  4. D16 g/mol
3.Makkelijk

What is a beta particle?

  1. AA high-energy electron released from a nucleus
  2. BA neutron that leaves the nucleus
  3. CA wave of visible light
  4. DA helium nucleus with two protons and two neutrons
4.Gemiddeld

A reaction has ΔH = −890 kJ/mol. What does the negative sign tell you?

  1. AThe reaction needs a catalyst
  2. BThe reaction is exothermic
  3. CThe reaction is endothermic
  4. DThe reaction is at equilibrium
5.Gemiddeld

Why does keeping food in a refrigerator slow down spoilage?

  1. ACold temperatures add preservatives to the food
  2. BLower temperatures raise the activation energy of every reaction
  3. CLower temperatures slow down chemical and microbial reactions
  4. DCold air contains no oxygen
6.Gemiddeld

What is the conjugate base of nitric acid, HNO₃?

  1. ANO₂⁻
  2. BHNO₂
  3. CNO₃⁻
  4. DH₂NO₃⁺
7.Moeilijk

Cells oxidise glucose to CO₂ and water, as burning glucose does. How does cellular respiration differ from burning?

  1. AIt releases much more total energy than burning the same glucose
  2. BIt releases the energy in many small, enzyme-controlled steps
  3. CIt produces different products from burning
  4. DIt does not need oxygen at any stage
8.Moeilijk

How does a rise in temperature affect how much carbon dioxide gas can dissolve in a soft drink?

  1. AMore gas dissolves, so warm drinks stay fizzy for longer
  2. BTemperature has no effect on gas solubility
  3. CThe gas turns into a solid at higher temperature
  4. DLess gas dissolves, so warm drinks go flat faster

Antwoordenblad

  1. 1. C · 7,35 to 7,45
  2. 2. A · 32 g/mol
  3. 3. A · A high-energy electron released from a nucleus
  4. 4. B · The reaction is exothermic
  5. 5. C · Lower temperatures slow down chemical and microbial reactions
  6. 6. C · NO₃⁻
  7. 7. B · It releases the energy in many small, enzyme-controlled steps
  8. 8. D · Less gas dissolves, so warm drinks go flat faster

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