Katera izmed naštetih sprememba je kemijska?

Kemijsko delovanje pri trajnem kodranju

Quiz
•
Biology, Chemistry
•
2nd - 5th Grade
•
Medium
Ribar Palunko
Used 1+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Striženje
Česanje
Pranje lasišča
Trajno kodranje las
2.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Kaj pomeni, da je las elastičen?
Da se po prenehanju delovanja sile vrne v prvotno obliko
Da po prenehanju delovanja sile obdrži novo nastalo obliko
Las v elastičnem stanju ne moremo učinkovito in trajno preoblikovati
Las v elastičnem stanju lahko učinkovito in trajno preoblikujemo
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Katere vezi v lasu NE cepimo?
vodikove
solne
disulfidne
peptidne
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Katere izmed naštetih vezi so PREČNE?
Vodikove, solne
Vodikove, solne, disulfidne
Solne in peptidne
Solne in disulfidne
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Optimalno preoblikovanje dosežemo s cepljenjem ...
20 % žveplovih vezi
manj kot 20 % žveplovih vezi
več kot 20 % žveplovih vezi
Za optimalno preoblikovanje ni potrebno razcepjat žveplovih vezi
6.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Kaj se zgodi pri fiksiranju las?
Znova vzpostavimo vodikove vezi
Znova vzpostavimo žveplove vezi
Lasu se povrne plastičnot
Lasu se povrne elastičnost
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Kako cepimo vodikove vezi?
S sušenjem
Z dodajanjem vode
Z bazami
S kislinami
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