Rumus kimia yang paling tepat dari senyawa nitrogen pentaoksida adalah...
PTS Kelas X

Quiz
•
Chemistry
•
10th Grade
•
Hard
Melisa Muhridja
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
N2O5
N2O4
N2O3
N2O
NO
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
besi berkarat, nasi basi, kertas terbakar merupakan perubahan
massa
wujud
zat
kimia
fisika
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
diantara reaksi berikut yang sudah setara adalah ……
H2 + O2 → H2O
Mg + HCl → MgCl2 +H2
SO2 + 3O2 → SO3
N2 + 3H2 → 2NH3
C + O2 → CO
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Reaksi : a Mg + b HCl --> c MgCl2 + d H2, harga a,b,c,dan d adalah
a=1, b=1, c = 2 d = 1
a = 2, b = 1, c = 1, d = 1
a =2 b = 1, c = 2, d = 1
a = 1, b = 2, c =2, d = 1
a =1 b = 2, c = 1, d = 1
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
sifat yang ada hubungannya dengan terbentuknya zat baru
sifat fisika
sifat ekstensif
sifat intensif
sifat kimia
sifat zat
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
aNa2CO3(aq) + bHCl(aq) → cH2CO3(aq) + dNaCl(aq)
Maka koefisien a, b, c, dan d adalah ….
1, 2, 1, 2
1, 1, 2, 2
2, 1, 2, 1
1, 2, 2, 1
2, 1, 1, 2
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
partikel atom yang bermuatan positif
proton
elektron
neutron
ion
molekul
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