Welke van onderstaande stoffen is geen zuur in water?

Quiz Lesstof Havo 5 scheikunde

Quiz
•
Chemistry
•
5th Grade
•
Medium
Niels Hopman
Used 9+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
H3PO4
HF
NH3
CH3COOH
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Wat is de pH van zoutzuur met een concentratie van 0,85 M
0,07
0,14
7,1
1,9
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
[OH-] = 0,05M, wat is de pH van de oplossing?
1,3
12,7
12,9
0,9
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
De pH van een oplossing bedraagt 13,2. Wat is de OH--concentratie?
0,16 M
1,12 M
0,097 M
6,3 M
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Welke stoffen ontstaan als je het zout Na2O aan water toevoegt?
Na+ en H2O
Na+ en O2-
Na2+ en O2-
Na+ en OH-
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Wat is de reactie-energie van onderstaande reactie?
H2 + O2 --> H2O2
-1,88·105
J/mol
1,88·105
J/mol
-2,86·105
J/mol
2,86·105
J/mol
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Bij een negatieve reactiewarmte…
…verloopt de reactie traag
…is de reactie endotherm
…verloopt de reactie snel
…is de reactie exotherm
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