
UJICOBA USBN
Authored by Evie Berlianti Hermina
Chemistry
9th - 12th Grade
Used 5+ times

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43 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Berikut langkah kerja yang dilakukan ilmuwan untuk memecahkan masalah secara ilmiah. Urutan langkah kerja sesuai metoda ilmiah adalah
1)-2)-3)-4)-5)-6)-7)-8)
1)-4)-2)-3)-5)-6)-7)-8)
2)-7)-4)-6)-5)-3)-1)-8)
4)-1)-5)-8)-2)-3)-7)-6)
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Konfigurasi elektron unsur Q yang paling sesuai adalah….
1s22s22p63s23p63d104s24p3
1s22s22p63s23p63d104s24p1
1s22s22p63s23p63d64s2
1s22s22p63s23p63d104s24p65s2
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Tabel berikut menyatakan rumus dan nama senyawa
Pasangan yang tepat antara rumus dan nama senyawanya adalah….
1 dan 3
2 dan 4
2 dan 5
3 dan 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Kalsium dan oksigen dapat bereaksi membentuk kalsium oksida dengan perbandingan massa sebagai berikut:
Berdasarkan data tersebut, perbandingan massa kalsium dengan oksigen dalam senyawa tersebut adalah ....
2:3
2:5
3:2
3:4
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Perhatikan data sifat fisik Senyawa V dan X :
Berdasarkan data tersebut, jenis ikatan yang terdapat pada zat V dan zat X berturut-turut adalah…
Ikatan logam dan ikatan ion
Ikatan logam dan kovalen polar
Ikatan kovalen polar dan kovalen non polar
Ikatan logam dan kovalen non polar
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Perhatikan data uji pH dua buah air limbah berikut !
Dari hasil pengujian maka pH air limbah 1 dan limbah 2 berturut – turut adalah ....
pH ≤ 8,3 dan pH ≥ 10
pH ≤ 4,2 dan pH ≥ 10
4,2 ≤ pH ≤ 8,3 dan pH ≥ 10
4,2 ≤ pH ≤ 6,0 dan 7,6 ≤ pH ≤ 10
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Seorang siswa melakukan percobaan hidrolisis dengan mencampurkan larutan NH3 dan HCl.
Urutan harga pH dari ketiga percobaan di atas, bila Kb NH3 = 10-5 dari yang terbesar hingga terkecil adalah....
1), (2), dan (3)
(1), (3), dan (2)
(2), (1), dan (3)
(3), (2), dan (1)
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