
Reaksi Kimia
Authored by ibu ana
Science
9th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Persamaan reaksi berikut yang sudah setara adalah...
Answer explanation
Koefisien yang benar adalah 2 H₂ + O₂ → 2 H₂O untuk menjaga jumlah atom H dan O di kedua sisi sama.
2.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Reaksi antara magnesium dan oksigen membentuk magnesium oksida. Reaksi yang benar adalah...
Answer explanation
Oksigen muncul sebagai molekul O₂, sehingga dibutuhkan 2 atom Mg untuk membentuk 2 MgO.
3.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Reaksi penguraian (dekomposisi) ditunjukkan oleh...
Answer explanation
Reaksi dekomposisi adalah pemecahan satu senyawa menjadi dua atau lebih zat, seperti pada penguraian H₂O₂.
4.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Reaksi pembakaran sempurna ditunjukkan oleh...
Answer explanation
Pembakaran sempurna menghasilkan CO₂ dan H₂O, dengan pasokan oksigen yang cukup.
5.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Reaksi berikut termasuk jenis reaksi penggantian tunggal:
Answer explanation
Logam Zn menggantikan H dalam HCl, membentuk ZnCl₂ dan H₂.
6.
MULTIPLE CHOICE QUESTION
20 sec • 7 pts
Apa produk dari reaksi antara natrium hidroksida dan asam klorida?
Answer explanation
Reaksi antara basa dan asam menghasilkan garam dan air: NaOH + HCl → NaCl + H₂O.
7.
MULTIPLE CHOICE QUESTION
20 sec • 7 pts
Manakah zat berikut ini yang merupakan senyawa?
Answer explanation
Senyawa terbentuk dari dua atau lebih unsur berbeda, HCl terdiri dari hidrogen dan klor.
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