Koja je od sljedećih tvari reducens u reakciji "Magična kola"?
Znanstveni sajam - kviz

Quiz
•
Physics
•
9th - 12th Grade
•
Hard
Ana Uzelac
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
jod
vodikov peroksid
vitamin C
kalijev jodid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je uloga H2O2 u "Slonovoj pasti" za zube?
oksidans
katalizator
boja paste
hlađenje reakcije
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zvuk je:
transverzalni val
mehanički val
elektromagnetski val
toplinski val
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što prikazuju visine plamenova u Rubensovoj cijevi?
promjenu temperature
promjenu tlaka uzrokovanog zvučnim valom
električni napon
snagu zvučnika
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako možemo odrediti valnu duljinu pomoću Rubensove cijevi?
gledamo visinu brijega u usporedbi s dolom
gledamo razmak između brijega i dola
gledamo duljinu cijevi
gledamo razmak između dva brijega
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se zove val koji nastaje unutar Rubensove cijevi?
transverzalni
stojni
elektromagnetski
toplinski
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što omogućuje da u "Cloud chamberu" vidimo tragove čestica?
visoka temperatura u komori
kondenzacija alkohola na hladnoj površini
električni naboj stakla
refleksija svjetla s ogledala
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