
Alkalni i zemnoalkalni metali
Authored by Irina Todorov
Chemistry
10th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Obeleži sve alkalne metale:
Al
K
Cu
Li
Rb
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kakvu valencu imaju alkalni i zemnoalkalni metali?
Stalnu
Promenljivu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji je hemijski naziv sode bikarbone?
Natrijum-karbonat
Natrijum-oksid
Natrijum-hidrogenkarbonat
Natrijum-sulfat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji metali imaju jače baze?
Alkalni
Zemnoalkalni
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji zemnoalkalni metal ima drugačija svojstva od svih ostalih?
Be
Mg
Ca
Sr
Ba
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako je u narodu poznac CaO?
Negašeni kreč
Gašeni kreč
Krečna voda
Krečno mleko
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Za šta se koriste nitriti i nitrati kalijuma i natrijuma?
Kao katalizatori
Kao konzervansi
Za dobijanje sapuna
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