Kemijske formule
Authored by Natasa Bosilj
Chemistry
1st Grade
Used 28+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Molekula vodika je
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
U molekuli vode, H2O, je
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reaktanti su tvari koje izlaze iz kemijske reakcije
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Metan je
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom sumpora označavamo sa:
N
S
1S
1N
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je kemijska formula aluminijeva oksida?
Al2O2
Al2O3
AlO
Al3O2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koja kemijska jednadžba je ispravna?
Mg + O → MgO
Mg2 + O2 → 2MgO
Mg + O → Mg2O
2Mg + O2 → 2MgO
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