
d. KEMIJA - Četvrta domaća zadaća
Quiz
•
Chemistry
•
8th Grade
•
Medium
Algebra srednja
Used 3+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Kondenzacija je promjena agregacijskog stanja koja se dogodi kada se zamagli zrcalo u kupaonici nakon tuširanja.
Točno
Netočno
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Taljenje je naziv za promjenu agregacijskog stanja koja se dogodi kad komad leda na dlanu postane tekućina.
Netočno
Točno
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Tijekom reakcije epruveta se zagrijala. Na temelju toga zaključi što se u epruveti dogodilo.
reakcija sinteze
reakcija analize
endotermna promjena
egzotermna promjena
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Lana i Petra provodile su ljeto na moru, a s obzirom na velike vrućine, tražile su način da se rashlade. Lana je potražila hladovinu, a Petra se hladila stavljajući na noge i ruke mokre ručnike. Odaberi točnu tvrdnju.
hlađenje mokrim ručnikom je neučinkovito
mokri ručnik omogućava hlađenje samo noću dok nema sunca
voda je dobar vodič topline, ali i dobar izolator, pa su Petrine ruke i noge zaštićene
od sunca
voda iz ručnika isparava, a dio potrebne energije za to uzima iz tijela
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Kolika je masa vode potrebna da bi iz 56 g živog vapna nastalo 74 g gašenog vapna?
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Koja je od navedenih jednadžbi u skladu sa zakonom o očuvanju mase?
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