Reaksi kimia kelas 9

Quiz
•
Science
•
9th Grade
•
Medium
Raula Amarila
Used 30+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berikut ini contoh perubahan fisika
Sumbu lilin terbakar
Kertas terbakar
Kertas dirobek-robek menjadi lebih kecil
Besi berkarat
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perbedaan utama perubahan fisika dan kimia adalah
Adanya zat baru yang terbentuk
Dapat dirasakan
Dapat kembali ke bentuk semula
Melibatkan oksigen
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Keadaan yang menunjukkan ketika terjadi suatu reaksi dan tidak bisa kembali ke bentuk semula adalah
Irreplaceable
Irregular
Irreversible
Incomplete
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bagaimana bentuk umum persamaan reaksi penguraian?
A + B → AB
AB → A + B
A → B
A + B → C
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Contoh reaksi penguraian yang terjadi dalam pembentukan gas hidrogen dan gas oksigen adalah:
Natrium + Gas Klorin → Natrium Klorida
2H2O (g) → 2H2 (g) + O2 (g)
H2CO3 (aq) → H2O (l) + CO2 (g)
2Na (s) + Cl2 (g) → 2NaCl (s)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apa yang terjadi saat minuman bersoda mengalami reaksi penguraian asam karbonat?
Terbentuk air dan karbon dioksida
Terbentuk natrium klorida
Terjadi reaksi kombinasi
Terbentuk gas hidrogen
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apa yang menyebabkan gelembung gas dan bunyi ketika minuman bersoda mengalami reaksi kimia?
a. Reaksi pembakaran
b. Reaksi redoks
Reaksi penguraian asam karbonat
Reaksi sintesis
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