
Asesmen Sumatif 1 Semester 2
Authored by Siti Khomsatun
Science
9th Grade
Used 8+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Berikut ini yang bukan ciri reaksi kimia (perubahan kimia) adalah ....
Menghasilkan produk baru
Terjadi perubahan susunan atom
Bersifat permanen (irreversibel)
Dapat kembali menjadi zat semula
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Persamaan reaksi kimia yang benar dalam reaksi pembentukan air adalah ....
H (g) + O (g) → HO (l)
H (g) + 2O (g) → H2O (l)
H (g) + O2 (g) → H2O (l)
2 H2 (g) + O2 (g) → 2 H2O (l)
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Perhatikan reaksi kimia berikut ini! CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O(l).
Jumlah oksigen yang bereaksi pada persamaan di atas adalah ....
2 atom
4 atom
7 atom
8 atom
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Perhatikan persamaan reaksi kimia berikut!
C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O (g).
Banyaknya molekul O2 yang berekasi adalah ....
1
5
10
20
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Reaksi kimia dimana dua zat atau lebih bergabung membentuk satu zat baru yang lebih kompleks disebut reaksi ....
Sintesis
Metatesis
Pembakaran
Dekomposisi
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Perhatikan reaksi kimia berikut ini!
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g).
Berdasarkan persamaan reaksi di atas, zat yang berperan sebagai reaktan adalah ....
ZnCl2 dan H2
Zn dan HCl
ZnCl2
H2
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Perhatikan reaksi kimia berikut!
Fe(s) + S(s) → FeS(s).
Berdasarkan persamaan reaksi di atas, jenis reaksi yang terjadi adalah ...
Reaksi penguraian
Reaksi pembakaran
Reaksi penggabungan
Reaksi pertukaran ganda
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