Welke 0,10 M oplossing van onderstaande zouten in water heeft de laagste pH?

6 vwo scheikunde allerlei

Quiz
•
Chemistry
•
12th Grade
•
Hard

Leonie Titulaer
Used 17+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl
NaNO2
NH4Cl
NH4NO2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
welke bewering over de scheiding in de vigreuxkolom (de binnenwand heeft glazen instulpingen) is juist?
uit de neerdalende vloeistof wordt de laagstkokende component verdampt
uit de neerdalende vloeistof wordt de minst vluchtige component verdampt
uit de opstijgende damp wordt de laagstkokende component gecondenseerd
geen enkele van bovenstaande beweringen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wanneer is mevrouw Titulaer geboren?
17 december 1966
17 december 1969
17 oktober 1966
17 oktober 1969
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welk paar is GEEN geconjugeerd zuur-base koppel?
H3O+ / H2O
H2PO4- / HPO42-
H2CO3 / CO32-
HSO4- / SO42-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wat is de formule van rendement?
(theoretische opbrengst/ praktische opbrengst) x 100%
(praktische opbrengst/ theoretische opbrengst) x 100%
praktische opbrengst/ theoretische opbrengst
theoretische opbrengst/ praktische opbrengst
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welke van onderstaande verbindingen heeft de grootste molaire massa?
benzeen
hexaan
1-hexeen
1-hexyn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welke van de volgende stoffen is een base?
NH3
HNO3
H2SO4
H3PO4
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