
uasbn (sekolah)
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
yayu muliyana
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
E
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2. Berdasarkan data tersebut, pasangan data yang berhubungan dengan tepat ditunjukkan oleh angka ….
1) dan 2)
1) dan 3)
2) dan 5)
3) dan 4)
4) dan 5)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2. Data percobaan reaksi tembaga
dengan sulfur membentuk tembaga (II) sulfida sebagai berikut:
Berdasarkan data tersebut, perbandingan massa tembaga dan massa sulfur dalam tembaga (II) sulfida adalah ….
1 : 1
1 : 2
2 : 1
2 : 3
3 : 2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2. Unsur X dan Y mempunyai konfigurasi elektron sebagai berikut :
X : [He] 2S2 2P2
Y : [Ne] 3S23P5
Apabila unsur X dan Y bersenyawa,rumus senyawa dan jenis ikatan yang terbentuk adalah...
XY2 , ionik
XY4 ,ionik
XY2 , kovalen
XY3 , kovalen
XY4 , kovalen
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 10,8 gram logam aluminium habis bereaksi dengan 9,6 gram oksigen dalam ruang tertutup membentuk aluminium oksida menurut persamaan reaksi:
4Al (s) + 3O2 (g) → 2Al2O3 (s)
Massa aluminium oksida yang dapat terbentuk sebanyak …. (Mr Al2O3 = 102)
A.
3,6 gram
10,8 gram
13,0 gram
20,4 gram
102,0 gram
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam industri, gas hidrogen diperoleh dengan memanaskan gas metana dari gas alam sesuai reaksi berikut: CH4(g) + 2H2O(g) → CO2(g) + 4H2(g), Jika diperlukan gas metana sebanyak 20 liter, maka volume gas hidrogen yang dihasilkan sebanyak …
A. 20 liter
B. 30 liter
C. 40 liter
D. 50 liter
E. 80 liter
20 liter
30 liter
40 liter
50 liter
80 liter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan beberapa larutan berikut!
(1) HCl 0,5 M (3) NaCl 0,5 M
(2) C2H5OH 0,5 M (4) CO(NH2)2 0,5 M
Pasangan larutan yang memiliki daya hantar sama besar adalah ….
A. (1) dan (2)
B. (1) dan (3)
C. (2) dan (3)
D. (2) dan (4)
E. (3) dan (4)
1 dan 2
1 dan 3
2 dan 3
2 dan 4
3 dan 4
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