
T210T78L7BO

Quiz
•
Science
•
1st Grade
•
Hard
seadin gavazaj
Used 1+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koja od sljedećih metoda je najvažnija za istraživanja u hemiji?
Hipoteza
Eksperiment
Teorija
Opis
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kako se odvija proces destilacije u laboratoriju?
Isparavanjem vode i kondenzacijom pare
Isparavanjem vode i kristalizacijom pare
Hlađenjem vode i zagrijavanjem pare
Očvršćavanjem vode i kondenzacijom pare
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koje od sljedećih supstanci sadrže kovalentne veze?
H₂O, HCl, NaCl
NaCl, KCl, CaCl₂
H₂, H₂O, O₂
H₂O, NaCl, O₂
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kolika je relativna molekulska masa HNO₃? (Ar(H)=1, Ar(N)=14, Ar(O)=16)
60
63
59
126
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koji elektronski sloj ima najmanju energiju?
L sloj
M sloj
N sloj
O sloj
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koji red sadrži samo molekule elemenata?
H₂O, NH₃, HCl
HCl, CO, CO₂
NO, NO₂, N₂O₃
H₂, N₂, Cl₂
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koja od sljedećih supstanci NIJE polarna molekula?
Azot
Hlorovodonična kiselina
Voda
Fluorovodonična kiselina
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