TC251019A1A2-Chem
Quiz
•
Chemistry, Science
•
10th Grade - University
•
Practice Problem
•
Hard
Admin GuruLesKu
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur X dengan nomor atom 13 akan membentuk senyawa klorida dengan rumus …
XCl
XCl2
XCl3
X2Cl
X3Cl2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Oksida yang dapat membentuk larutan dengan pH lebih kecil dari 7 adalah …
1. K2O
2. Al2O3
3. BaO
4. SO3
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur radioaktif yang surplus proton dapat mencapai kestabilan dengan cara …
1. Penangkapan elektron
2. Penangkapan neuron
3. Pemancaran positron
4. Pemancaran sinar alfa
A
B
C
D
E
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Senyawa yang merupakan amina tersier adalah …
C2H5NHCH3
(CH3)2NCH3
C6H5NH2
C3H7NH2
(CH3)2NH
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bila 1 mol CO dan 1 mol direaksikan sampai menjadi kesetimbangan dan pada saat tersebut masih tersisa 0,2 mol CO, maka harga tetapan kesetimbangan Kc adalah …
4
9
16
20
25
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Di antara unsur-unsur 3P, 12Q, 19R, 33S dan 53T, yang terletak dalam golongan yang sama pada sistem periodik adalah ........
P dan Q
Q dan S
P dan R
S dan T
R dan T
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika dalam volume 5 liter terdapat 4,0 mol asam Iodida, 0,5 mol Iod dan 0,5 mol hidrogen dalam kesetimbangan pada suhu tertentu, maka tetapan kesetimbangan untuk reaksi
pembentukan asam Iodida dari Iod dan hidrogen adalah ........
46
50
54
60
64
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