Ulangan Harian Kimia Kelas XI B Semester 1
Quiz
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Other
•
10th Grade
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Practice Problem
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Hard
alna purnawati
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stoikiometri berasal dari bahasa Yunani, stoicheion yang berarti ?
Reaksi
Perbandingan
Unsur
Pengukuran
Setara
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada reaksi : a C2H6 + b O2 → c CO2 + d H2O, maka harga a, b, c dan d berturut-turut adalah…….
2 ; 3 ; 3 ; 1
3 ; 3 ; 1 ; 2
1 ; 3 ; 2 ; 3
2 ; 3 ; 2 ; 3
2 ; 7 ; 4 ; 6
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Setarakan persamaaan reaksi NH3 + O2 → NO + H2O ?
4NH3 + 2O2 → 5NO + 6H2O
4NH3 + 3O2 → 4NO + 6H2O
4NH3 + 5O2 → 5NO + 6H2O
4NH3 + 5O2 → 4NO + 6H2O
4NH3 + 6O2 → 5NO + 6H2O
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Anda memiliki 36 gram air (H2O). Berapa banyak mol air yang Anda miliki
(Ar H = 1, O=16)?
1 Mol
2 Mol
0,5 Mol
3 Mol
0,2 Mol
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika diketahui Ar H=1, S=32, dan O=16, massa molekul relatif untuk senyawa asam sulfat (H2SO4) adalah…
110
100
98
99
102
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah atom/partikel besi di dalam sepotong besi yang mempunyai massa 112 gram adalah.... (Ar Fe = 56)
6,02 x 1022
12,04 x 1023
3,01 x 1024
120,4 x 1023
12,04 x 1025
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rumus yang sesuai dengan volume gas dalam keadaan STP adalah . . ?
V = n x 22,4 L
PV = nRT
V = n x 24,4 L
V1.M1 = V2.M2
V2.M2 = V1.M1
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