
Soal Seleksi KSN Kimia

Quiz
•
Chemistry
•
12th Grade
•
Hard
Octhan Guru
FREE Resource
31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volum asam sulfat pekat berkadar 98% dan massa jenis 1,8 kg L−1 yang dibutuhkan untuk membuat 500 mL larutan H2SO4 1 M sebanyak . . . .
11,11 mL
22,22 mL
27,77 mL
44,44 mL
55,55 mL
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan data, percobaan nomor 1 dan 2 dipengaruhi oleh faktor . . . .
suhu
kosentrasi HCl
luas permukaan
massa pualam
sifat zat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan laju reaksi tersebut adalah . . . .
v = k [NO][Br2]
v = k [NO]2[Br2]
v = k [NO]3[Br2]
v = k [NO]2[Br2]2
v = k [NO][Br2]2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan antara senyawa dan kegunaannya yang tepat adalah...
CF2Cl2 : Pembius
CHCl3 : Refrigerant
CHI3 : Desinfektan
CH3COOH : Antiseptik
C6H5COOH : Pengawet
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi adisi antara 1-propena dengan asam bromida (HBr) menghasilkan senyawa....
1- bromo propana
1-bromo propena
2 – bromo propana
2 – bromo propena
Propil bromida
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu karbohidrat memiliki ciri-ciri:
1. memiliki gugus fungsi keton
2. dapat bereaksi positif dengan larutan fehling maupun tollens
3. banyak terdapat dalam madu dan buah-buahan
Diperkirakan senyawa tersebut adalah ....
galaktosa
glukosa
fruktosa
maltosa
laktosa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi: A + B → C + D mempunyai persamaan laju: v = k [A]²[B] Tiga percobaan dilakukan dengan jumlah molekul A dan B seperti pada gambar berikut:
Urutan kelajuan reaksinya, dimulai dari yang paling lambat adalah . . . .
I, III, III
I, III, II
II, III, I
II, I, III
III, I, II
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