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
Apart from mercury, which element is a liquid at room temperature?
AIodine
BChlorine
CBromine
DSodium
2.Makkelijk
Boyle's law describes the relationship between which two properties of a gas, at constant temperature?
AMass and volume
BPressure and temperature
CPressure and volume
DVolume and temperature
3.Makkelijk
What do the letters STP stand for in gas chemistry?
ASpecific temperature and particles
BStandard temperature and pressure
CStable temperature point
DStandard time and pressure
4.Gemiddeld
Which list is in order from smallest to largest mass?
AMilligram, kilogram, gram
BKilogram, gram, milligram
CMilligram, gram, kilogram
DGram, milligram, kilogram
5.Gemiddeld
Why does keeping food in a refrigerator slow down spoilage?
ALower temperatures raise the activation energy of every reaction
BCold air contains no oxygen
CCold temperatures add preservatives to the food
DLower temperatures slow down chemical and microbial reactions
6.Gemiddeld
How many moles of gas are in 44,8 L at STP (0 °C and 1 atm)?
A22,4 mol
B0,5 mol
C44,8 mol
D2 mol
7.Moeilijk
Glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) join by a condensation reaction to form sucrose. What is the formula of sucrose?
AC₁₂H₂₄O₁₂
BC₁₂H₂₂O₁₁
CC₁₂H₂₀O₁₀
DC₆H₁₂O₆
8.Moeilijk
A small amount of acid is spilled on a lab bench. Why is a weak base such as sodium bicarbonate preferred over strong NaOH to neutralise it?
ASodium bicarbonate makes the spilled acid evaporate
BNaOH does not react with acids at room temperature
CSodium bicarbonate is a strong acid that cancels the spill
DExcess sodium bicarbonate is far less harmful than excess NaOH
Antwoordenblad
1. C · Bromine
2. C · Pressure and volume
3. B · Standard temperature and pressure
4. C · Milligram, gram, kilogram
5. D · Lower temperatures slow down chemical and microbial reactions
6. D · 2 mol
7. B · C₁₂H₂₂O₁₁
8. D · Excess sodium bicarbonate is far less harmful than excess NaOH
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