2.4 en herhaling 2.3
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Onderdelen in deze les
Slide 1 - Tekstslide
Which methods of separation did you use to separate salt from sand?
A
sedimentation-distillation-evaporation
B
sedimentation-filtration-evaporation
C
extraction-distillation-evaporation
D
extraction-filtration-evaporation
Slide 2 - Quizvraag
After filtration, the ........ can be found in the funnel.
A
filtrate
B
residue
C
distillate
D
emulsifier
Slide 3 - Quizvraag
You are mixing sugar with water. After a while, the sugar does not dissolve anymore. The solution has become:
A
Saturated
B
Unsaturated
Slide 4 - Quizvraag
Emulsions can be separated via filtration
A
Yes
B
No
Slide 5 - Quizvraag
If you want to dissolve more sugar, what do you have to do?
A
Be patient
B
Decrease the temperature
C
Increase the pressure
D
Increase the temperature
Slide 6 - Quizvraag
If you want to dissolve more oxygen, what do you have to do?
A
Be patient
B
Decrease the temperature
C
Increase the pressure
D
Increase the temperature
Slide 7 - Quizvraag
Slide 8 - Tekstslide
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Slide 19 - Tekstslide
Wat is de maximale oplosbaarheid bij 25 graden Celsius.
A
250 gL-1
B
200 gL-1
C
225 gL-1
D
275 gL-1
Slide 20 - Quizvraag
Slide 21 - Tekstslide
Slide 22 - Tekstslide
Calculate the percentage by volume of 345mL in 453 L mixture
A
0,762
B
0,000762
C
76.2
D
0,0762
