Međudjelovanje čestica i svojstva tvari (1)
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Easy
Olivera Tadić
Used 8+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.
Privlačna međudjelovanja nemaju velik utjecaj na svojstva tvari
točno
netočno
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Promjene koje su se dogodile tijekom zagrijavanja i hlađenja uzorka natrija pri normalnom okolnom tlaku možemo predočiti (prikaz na slici).
Promjena pod brojem 1 je endotermna
točno
netočno
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prijelaz tvari X(g) --------- X(l) nazivamo
isparavanje
kondenzacija
taljenje
sublimacija
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hlađenjem se zrak na temperaturi oko -2000C kondenzira u tekuće stanje. Na temperaturnoj ljestvici navedena su vrelišta nekih sastojaka tekućeg zraka.Tijekom zagrijavanja najprije će se izdvojiti:
argon, dušik i na kraju kisik
dušik , argon i na kraju kisik
Kisik, dušik i na kraju kisik
kisik, dušik i na kraju argon
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brom je pri sobnoj temperaturi i standardnom tlaku tekućina
točno
netočno
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
U odmjernim tikvicama označenim brojkama 1,2,3 priredila sam, pri sobnoj tempretauri vodenu otopinu glukoze otapanjem 10,38 grama glukoze. u kojoj je tikvici volumen otopine točno 100 ml ?
1.
2.
3.
ništa od ponuđenog
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mijenja li se temperatura vode tijekom vrenja?
da
ne
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