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. A7,85 to 7,95
  2. B7,35 to 7,45
  3. C6,35 to 6,45
  4. D7,00 to 7,10
2.Makkelijk

What does the law of conservation of mass state?

  1. AMass is lost as heat in every reaction
  2. BMass is neither created nor destroyed in a chemical reaction
  3. CThe mass of products is always greater than the mass of reactants
  4. DGases have no mass
3.Makkelijk

What is a precipitate?

  1. AA gas that bubbles out when two solutions are mixed
  2. BA substance that speeds up a reaction
  3. CAn insoluble solid that forms when two solutions react
  4. DA liquid that forms when a solid melts
4.Gemiddeld

Why do group 1 metals such as sodium react so easily?

  1. AThey have one outer electron that is easily lost
  2. BThey have a full outer shell of electrons
  3. CThey easily gain one extra electron
  4. DTheir nuclei contain no neutrons
5.Gemiddeld

During digestion, large molecules are broken down by adding water across their bonds. What is this reaction called?

  1. ACondensation
  2. BCombustion
  3. CPolymerisation
  4. DHydrolysis
6.Gemiddeld

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

  1. AOntleding
  2. BDubbele uitwisseling
  3. CEnkelvoudige substitutie
  4. DVerbranding
7.Moeilijk

Why does atomic radius decrease from left to right across a period?

  1. AMore protons pull the electrons of the same outer shell closer
  2. BThe atoms lose electrons across the period
  3. CNeutrons push the electrons outward less strongly
  4. DEach element adds a new electron shell
8.Moeilijk

A piece of copper is placed in zinc sulfate solution. Zinc is more reactive than copper. What happens?

  1. ACopper replaces zinc, forming copper sulfate
  2. BNo reaction occurs
  3. CHydrogen gas is produced
  4. DZinc metal coats the copper and the solution turns blue

Antwoordenblad

  1. 1. B · 7,35 to 7,45
  2. 2. B · Mass is neither created nor destroyed in a chemical reaction
  3. 3. C · An insoluble solid that forms when two solutions react
  4. 4. A · They have one outer electron that is easily lost
  5. 5. D · Hydrolysis
  6. 6. B · Dubbele uitwisseling
  7. 7. A · More protons pull the electrons of the same outer shell closer
  8. 8. B · No reaction occurs

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