Život vapnenca – od puževe kućice do tvoje kuće.

Interactive Video
•
Chemistry
•
10th Grade
•
Hard
katarina sabolić
FREE Resource
8 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Koja je početna tvar za proizvodnju vapna u japelnicama?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji spoj je nastao pečenjem vapnenca?
kalcijev karbonat
kalcijev oksid
kalcijeva lužina
kalcijev hidroksid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se zove osoba koja je pričala o vatri koja se loži u japlenicama?
Branako
Ranko
Ivica
Tvrtko
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
S kojom tvari treba ugasiti živo vapno?
alkoholom
pijeskom
vodom
vapencom
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Koja vrsta smjese je nastala gašenjem živog vapna u bazenima, homogena ili heterogena?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što JE gašeno vapno?
kalcijev hidroksid
kalcijeva lužina
kalcijev karbonat
kalcijev oksid
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Za što se sve koristi živo vapno?
žbukanje
bojanje zidova
posipavanje cesta tijekom zime
čišćenje kamenca
proizvodnja praška za pecivo
8.
FILL IN THE BLANK QUESTION
1 min • 1 pt
U koji "kamen" se živo vapno u žbuci natrag pretvara nakon što reagira s ugljikovom dioksidom?
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