
Kimia UAS
Authored by Syuaibar Iqbal
Chemistry
12th Grade
Used 2+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Unsur A mempunyai konfigurasi elektron 1s² 2s² 2p² dan unsur B mempunyai konfigurasi elektron 1s² 2s² 2p⁶ 3s² 3p⁵ . Maka unsur A dan B dapat membentuk senyawa dengan rumus dan jenis ikatan berturut-turut ....
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika diketahui konfigurasi elektron ion Y²⁻ : 1s² 2s² 2p⁶ 3s² 3p⁶ . Maka, nomor atom unsur Y adalah ....
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika diketahui konfigurasi elektron ion X³⁺ : 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ . Maka letak unsur X dalam tabel periodik terdapat pada golongan dan perioda berturut-turut ....
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Berdasarkan data dibawah, maka dapat disimpulkan bahwa jenis ikatan yang terdapat pada zat A dan zat B berturut-turut adalah ….
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Sebanyak 24,5 gram padatan kalium klorat, KClO₃ dipanaskan dalam wadah tertutup, sehingga terjadi reaksi sesuai persamaan: 2 KClO₃ (s) → 2KCl(s) + 3O₂ (g) Massa KCl yang dihasilkan setelah 50% KClO₃ terurai adalah …. (Ar K = 39; Cl = 35,5; O = 16)
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Bensin merupakan campuran dari senyawa n-heptana dan isooktana. Semakin besar presentase kandungan isooktana, mutu bensin semakin bagus. Jika bensin dalam mesin terbakar sempurna oleh oksigen, maka reaksi yang terjadi adalah ....
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Suatu oksida nitrogen sebanyak 100 cm³ terurai menjadi 200 cm³ gas NO dan 50 cm³ gas O₂ (semua volume gas diukur pada suhu dan tekanan yang sama). NₓOᵧ (g) → NO (g) + O₂ (g) . Oksida nitrogen (NₓOᵧ) tersebut adalah ....
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