
Masti i ulja
Authored by Danijela Gligorić
Chemistry
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Drugi naziv za masti je:
ugljeni hidrati
proteini
glikoli
lipidi
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jestivo rafinisano suncokretovo ulje
Proizvodi se postupkom rafinacije suncokretovog ulja, dobijenog iz najkvalitetnijeg semena suncokreta. Sadrži visok procenat nezasićenih esencijalnih masnih kiselina, vitamina E, kao i drugih prirodnih sastojaka. Koristi se u pripremi toplih i hladnih jela.
Koja od ponuđenih kiselina je najzastupljenija u ulju?
palmitinska
oleinska
stearinska
buterna
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Poreklo margarina datira od 1869.godine kada je Napoleon III predložio nagradno takmičenje da se pronađe "čista mast za potrebe radničke klase i mornara koja će biti jeftina, dobrog kvaliteta i laka za čuvanje." Nagradu je dobio Mež-Muri, francuski hemičar. Margarin je dobijen:
adicijom vodonika na riblje ulje
adiciom vodonika na biljna ulja
odmašćivanjem mleka
zamrzavanjem biljnih ulja
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Vitamin E (formula data na slici) nalazi se u Suncokretovom ulju, možemo sa sigurnošću zaključiti da je:
vitamin E polarna supstanca
vitamin E tečna supstanca
vitamin E nepolarna supstanca
vitamin E čvrsta supstanca
5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Označi koje se od ponuđenih uloga u organizmu odnose na masti:
izgrađuju mišiće
odgovorne za dobar vid
energetska uloga
termoregulatorna
oblažu unutrašnje organe
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sapuni su po hemijskom sastavu:
zemnoalkalne soli viših masnih kiselina
više masne kiseline
alkalne soli viših masnih kiselina
estri alkohola glicerola i viših masnih kiselina
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na slici je prikazan mehanizam delovanja sapuna na korona virus. Za delovanje sapuna odgovoran je hemijski satav sapuna koji podrazumeva:
prisustvo polarnih delova
prisustvo nepolarnih delova
istovremeno prisustvo i polarnog i nepolarnog dela
prisustvo metala u sapunu
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