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.
Voor docenten: gratis te printen, kopiëren en in de les te gebruiken. Elk nieuw werkblad heeft nieuwe waarden en een eigen antwoordblad. Een link naar ExamProblems op je cursuspagina wordt gewaardeerd.
Naam: ____________________ Datum: ____________
1.Makkelijk
According to the kinetic molecular theory, how do gas particles move?
AOnly when heated, and then in neat lines between the walls
BSlowly in fixed positions
CConstantly, randomly and in straight lines between collisions
DAlways in a single direction, set by the pull of gravity
2.Makkelijk
What does the law of conservation of mass state?
AMass is lost as heat in every reaction
BMass is neither created nor destroyed in a chemical reaction
CThe mass of products is always greater than the mass of reactants
DGases have no mass
3.Makkelijk
Wat is de chemische formule van water?
AHO₂
BH₂O
CH₂O₂
DOH
4.Gemiddeld
How does atomic radius change going down a group?
AIt decreases
BIt decreases, then increases
CIt stays the same
DIt increases
5.Gemiddeld
What is the name of the molecular compound CO?
ACarbon dioxide
BMonocarbon oxide
CCarbon monoxide
DCarbon oxide
6.Gemiddeld
What is the oxidation number of an element in its uncombined (elemental) form, such as Fe or O₂?
A+1
BIt equals the group number
C−1
D0
7.Moeilijk
Which of these is a redox reaction?
AAgNO₃ + NaCl → AgCl + NaNO₃
BZn + CuSO₄ → ZnSO₄ + Cu
CCaCO₃ → CaO + CO₂
DNaOH + HCl → NaCl + H₂O
8.Moeilijk
How does a rise in temperature affect how much carbon dioxide gas can dissolve in a soft drink?
AMore gas dissolves, so warm drinks stay fizzy for longer
BLess gas dissolves, so warm drinks go flat faster
CThe gas turns into a solid at higher temperature
DTemperature has no effect on gas solubility
Antwoordenblad
1. C · Constantly, randomly and in straight lines between collisions
2. B · Mass is neither created nor destroyed in a chemical reaction
3. B · H₂O
4. D · It increases
5. C · Carbon monoxide
6. D · 0
7. B · Zn + CuSO₄ → ZnSO₄ + Cu
8. B · Less gas dissolves, so warm drinks go flat faster
Volledige stapsgewijze oplossingen: oefen dit onderwerp op examproblems.com.