Hva er et eksempel på et grunnstoff?

Kjemiske stoffer og stoffblandinger Quiz

Quiz
•
Chemistry
•
12th Grade
•
Hard
BaseThird BaseThird
Used 6+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salt
Jern
Glukose
Vann
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hva er vannmolekylet sitt kokepunkt?
125 °C
50 °C
75 °C
100 °C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hva er forklaringen på at fett ikke er løselig i vann?
Fordi fett er upolart
Fordi fett er polart
Fordi fett er tungt løselig
Fordi fett er et rent stoff
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hva er et eksempel på en kjemisk forbindelse?
Kalsium
Oksygen
Jern
Vann
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hva er forklaringen på at vann har en overflatehinne?
På grunn av kovalente bindinger mellom vannmolekylene
På grunn av hydrogenbindinger mellom vannmolekylene
På grunn av metallbindinger mellom vannmolekylene
På grunn av ionbindinger mellom vannmolekylene
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hva er et eksempel på et stoff som er tungt løselig i vann?
Natriumklorid
Sukker
Etanol
Bensin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hva skjer når vi tilsetter mer stoff i en løsning?
Løsningen blir mettet
Løsningen blir fortynnet
Løsningen blir mer konsentrert
Løsningen blir klar og gjennomsiktig
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