Soal Kimia
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
miftahul hasanah
Used 21+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Inti dari suatu atom terdiri atas ...
proton dan neutron
neutron
elektron dan proton
elektron dan proton
elektron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nama-nama senyawa di bawah ini tidak sesuai dengan rumus kimianya, kecuali ...
Na₂O = dinatrium monoksida
AlCl₃ = aluminium trioksida
Fe₂O₃ = besi (II) trioksida
CaCO₃ = kalsium karbonat
Cu(NO₃)₂ = tembaga nitrat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui unsur X dan Y memiliki konfigurasi elektron sebagai berikut:
X: [Ar] 4s² 3d⁶
Y: [Ne] 3s² 3p⁵
Apabila X dan Y bersenyawa, rumus senyawa yang terbentuk adalah ...
X₃Y
X₃Y₂
X₂Y₃
X₂Y
XY₃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nama yang tepat untuk senyawa tersebut adalah ...
Heptana
2-etilpentana
4-metilheksana
3-metilheksana
2-propilbutana
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah volume air yang dibutuhkan untuk melarutkan 2 mol KOH (Ar K = 39, O = 16, H = 1) untuk membuat larutan KOH 0,05 M ?
35 Liter
37 Liter
40 Liter
41 Liter
50 Liter
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas amonia diproduksi melalui reaksi kesetimbangan:
N₂(g) + 3H₂(g) ⇌ 2NH₃(g) ∆H = -92 kJ
Agar didapatkan amonia dalam jumlah banyak, hal yang harus dilakukan adalah ….
Konsentrasi N₂ diperbesar
Konsentrasi NH₃ diperbesar
Menaikkan suhu
Menurunkan tekanan
Konsentrasi H₂ diperkecil
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suhu 25° Al(OH)₃ mempunyai Ksp 2,7 x 10 ⁻²³ maka pH larutan jenuh Al(OH)₃ pada suhu tersebut adalah…
8 + log 3
6
6 - log 2
8 + log 4
8
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