Celuloza i papir

Quiz
•
Other
•
9th Grade
•
Hard
Dijana Bogovic
Used 8+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Za proizvodnju papira upotrebljavaju se stabla četinjača od kojih je najbolja:
smreka
omorika
bor
breza
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Po kemijskom sastavu drvo sadrži:
celulozu
lignin
smole
sve navedeno
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Bijela vlaknasta tvar bez okusa i mirisa, netopljiva u vodi i organskim otapalima naziva se:
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Od prehrambenih namirnica, celuloze ima najviše u:
mesu
voću i povrću
mlijeku
svemu navedenom
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kod proizvodnje papira za poboljšanje svojstava papira (prozirnost, mekoća, bjelina, glatkoća i sjaj) dodaju se:
punila
boja
ljepila
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Najraširenija i najviše upotrebljavana je ambalaža od:
papira
plastike
metala
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Papirna ambalaža je higroskopna što znači da:
privlači na sebe vodu iz zraka, propusna na zrak, lako se kida ili raspada...
ne privlači na sebe vodu iz zraka, nije propusna na zrak, teško se kida ili raspada...
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