Werkblad Scheikunde voor toelatingsexamens verpleegkunde met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

Which positive ion is found in the highest concentration inside most body cells?

  1. ASodium (Na⁺)
  2. BMagnesium (Mg²⁺)
  3. CCalcium (Ca²⁺)
  4. DPotassium (K⁺)
2.Makkelijk

What is the formula of methane, the main gas in natural gas?

  1. ACH₂
  2. BCH₄
  3. CC₂H₆
  4. DCO₂
3.Makkelijk

Welk soort reactie is AB → A + B?

  1. ANeutralisatie
  2. BDubbele uitwisseling
  3. COntleding
  4. DSynthese
4.Gemiddeld

In a reaction at equilibrium, a product is continuously removed. What happens?

  1. AThe reactants run out immediately
  2. BThe equilibrium shifts to the left to form more reactants
  3. CMore product keeps forming as the equilibrium shifts to the right
  4. DThe reaction rate drops to zero
5.Gemiddeld

What is the molar mass of sulfuric acid, H₂SO₄ (H = 1, S = 32, O = 16 g/mol)?

  1. A50 g/mol
  2. B96 g/mol
  3. C49 g/mol
  4. D98 g/mol
6.Gemiddeld

Why does ice float on liquid water?

  1. AIce contains trapped air from the freezer
  2. BIce has a higher mass than the same volume of water
  3. CIce is denser than liquid water
  4. DIce is less dense than liquid water
7.Moeilijk

Equal masses of sand and water sit in the sun and absorb the same amount of heat. Which warms up more, and why?

  1. ABoth warm equally, because they absorbed the same heat
  2. BSand, because it has a higher specific heat capacity than water
  3. CSand, because it has a lower specific heat capacity than water
  4. DWater, because it has a higher specific heat capacity than sand
8.Moeilijk

Which pair of substances could form a buffer solution?

  1. AHydrochloric acid (HCl) and chloride (Cl⁻)
  2. BHydrochloric acid (HCl) and sodium hydroxide (NaOH)
  3. CCarbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)
  4. DSodium chloride (NaCl) and water

Antwoordenblad

  1. 1. D · Potassium (K⁺)
  2. 2. B · CH₄
  3. 3. C · Ontleding
  4. 4. C · More product keeps forming as the equilibrium shifts to the right
  5. 5. D · 98 g/mol
  6. 6. D · Ice is less dense than liquid water
  7. 7. C · Sand, because it has a lower specific heat capacity than water
  8. 8. C · Carbonic acid (H₂CO₃) and bicarbonate (HCO₃⁻)

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