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

Welk soort reactie is A + B → AB?

  1. AEnkelvoudige substitutie
  2. BVerbranding
  3. CSynthese (samenstelling)
  4. DOntleding
2.Makkelijk

How does increasing the concentration of a reactant in solution usually affect the reaction rate?

  1. AThe reaction stops
  2. BThe rate increases
  3. CThe rate decreases
  4. DThe rate stays the same
3.Makkelijk

What is plasma, as a state of matter?

  1. AThe liquid part of blood
  2. BA solid that conducts electricity
  3. CA liquid that has been cooled below its freezing point
  4. DA very hot gas in which atoms have lost electrons and become ions
4.Gemiddeld

A room is at 25 °C. What is this temperature in kelvin?

  1. A248 K
  2. B77 K
  3. C−248 K
  4. D298 K
5.Gemiddeld

When two monomers join to form a larger molecule and a water molecule is released, what is the reaction called?

  1. ACondensation (dehydration synthesis)
  2. BCombustion
  3. CNeutralisation
  4. DHydrolysis (splitting with water)
6.Gemiddeld

Welk soort reactie is AgNO₃ + NaCl → AgCl + NaNO₃?

  1. AOntleding
  2. BEnkelvoudige substitutie
  3. CDubbele uitwisseling
  4. DVerbranding
7.Moeilijk

A nurse wipes a patient's arm with an alcohol swab and the patient says the skin feels cold. What explains this?

  1. AThe alcohol is stored at a much lower temperature than the room
  2. BThe alcohol blocks the skin's nerve endings for warmth
  3. CThe alcohol absorbs heat from the skin as it evaporates
  4. DThe alcohol reacts with the skin in an endothermic chemical reaction
8.Moeilijk

Diamond is extremely hard and has a very high melting point. Which explanation is correct?

  1. AIt contains delocalised electrons like a metal
  2. BEach carbon is covalently bonded to four others in a giant network
  3. CIt is made of separate small molecules with strong forces between them
  4. DIt is held together by ionic bonds between C⁺ and C⁻ ions

Antwoordenblad

  1. 1. C · Synthese (samenstelling)
  2. 2. B · The rate increases
  3. 3. D · A very hot gas in which atoms have lost electrons and become ions
  4. 4. D · 298 K
  5. 5. A · Condensation (dehydration synthesis)
  6. 6. C · Dubbele uitwisseling
  7. 7. C · The alcohol absorbs heat from the skin as it evaporates
  8. 8. B · Each carbon is covalently bonded to four others in a giant network

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