Chemistry, Computers
2nd -
4th grade
Zouten
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- 1. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Welke naam hoort bij MgCl2
Magnesiumdichloride
Magnesiumchloride
Magnesium(II)chloride
Magnesiumdichloor
- 2. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Geef de verhoudingsformule van ijzer(III)sulfide
FeS
Fe2S3
Fe2S2
FeS2
- 3. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Geef de verhoudingsformule van ammoniumfosfaat
(NH4)3PO4
NH4PO4
NH4(PO4)2
N2H8P2O8
- 4. Open-endedPlease save your changes before editing any questions.15 minutes1 pt
Geef de oplosvergelijking van natriumjodide
- 5. Open-endedPlease save your changes before editing any questions.15 minutes1 pt
Geef de indampvergelijking van calciumsulfiet
- 6. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Lost calciumcarbonaat op in water
ja
nee
matig
het reageert juist met water
- 7. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Wat is de waarde van 'n' in CaMg(CO3)n
1
2
3
4
- 8. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Je lost 0,15 mol natriumchloride op in 175 mL water. Wat is de concentratie in mol L-1?
0,86
0,026
1,17
2,33
- 9. Multiple-choicePlease save your changes before editing any questions.15 minutes1 pt
Je lost 0,65 mol magnesiumbromide op in 3,0 L water. Wat is de concentratie bromide-ionen in mol L-1?
0,22
0,43
1,95
3,9
- 10. Multiple-choicePlease save your changes before editing any questions.30 seconds1 pt
je lost 1,0 g natriumchloride op in 2,0 L water. Wat is de concentratie in mol L-1
0,017
0,0086
0,5
2,0
