Werkblad Scheikunde voor toelatingsexamens verpleegkunde met antwoorden

Which functional group is found in all alcohols?

1. AAmino group (–NH₂)
2. BHydroxyl group (–OH)
3. CCarboxyl group (–COOH)
4. DCarbonyl group (C=O) only

In welke aggregatietoestand hebben deeltjes een vaste vorm en een vast volume?

1. AGas
2. BPlasma
3. CVloeibaar
4. DVast

Which gas is needed for a fuel to burn (combustion)?

1. AHelium
2. BCarbon dioxide
3. CNitrogen
4. DOxygen

Which statement describes a saturated fat?

1. AIt contains no carbon atoms
2. BIts fatty acid chains have no carbon–carbon double bonds
3. CIt is always liquid at room temperature
4. DIts fatty acid chains have many carbon–carbon double bonds

Which measurement has three significant figures?

1. A0,00560
2. B5,0006
3. C0,0056
4. D56

When a nucleus emits an alpha particle, how do its mass number and atomic number change?

1. AMass number stays the same and atomic number rises by 1
2. BMass number falls by 2 and atomic number falls by 4
3. CNeither changes
4. DMass number falls by 4 and atomic number falls by 2

Cotton soaked in ammonia (NH₃) and cotton soaked in hydrogen chloride (HCl) are placed at opposite ends of a glass tube. A white ring of ammonium chloride forms closer to the HCl end. What does this show?

1. AThe HCl molecules diffuse faster than NH₃ molecules
2. BThe lighter NH₃ molecules diffuse faster than HCl molecules
3. CThe white ring forms where the gases are heaviest
4. DBoth gases diffuse at the same speed

In the fission reaction ²³⁵U + ¹n → ¹⁴¹Ba + ⁹²Kr + ? ¹n, how many neutrons are released?

1. A1
2. B3
3. C4
4. D2