Persamaan dan perhitungan reaksi kimia
Quiz
•
Chemistry
•
10th Grade
•
Medium
SITI SOBRIAWATI
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
indeks
koefisien
reaktan
produk
isomer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2(g) + 3H2(g) → 2NH3(g)
Angka 2 dalam N2 menunjukkan….
indeks
koefisien
pereaksi
produk
isomer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Banyaknya fase/wujud dalam kimia sebanyak….
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)
NaOH dan HCl
NaOH dan NaCl
NaCl dan H2O
HCl dan H2O
NaOH dan H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ba(s) + Al2(SO4)3(aq) → Al(s) + BaSO4(s)
1, 1, 1, dan 1
1, 1, 2, dan 1
3, 1, 1, dan 3
1, 1, 2, dan 3
3, 1, 2, dan 3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diantara persamaan reaksi berikut yang sudah setara adalah….
P4(s) + O2(g) → P2O5(g)
P4(s) + 3O2(g) → 2P2O3(g)
Al(s) + Cl2(g) → AlCl3(g)
Na(s) + H2O(l) → NaOH(aq) + H2(g)
Al(s) + ZnCl2(g) → AlCl3(s) + Zn(s)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Reaksi antara 4,8 gram logam magnesium (Ar=24) dengan larutan HCl berlebihan sesuai dengan persamaan reaksi berikut.
Mg(s) + HCl(aq) → MgCl2(aq) + H2(g) (belum setara)
Volume gas H2 yang dihasilkan STP adalah….liter
2,24
4,48
6,72
11,2
22,4
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