Kimia Dasar 1A
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
X, Y, dan Z adalah unsur-unsur dalam periode yang sama dalam sistem periodik unsur. Oksida X bersifat amfoter, oksida Y bersifat basa, dan oksida Z bersifat asam. Urutan kenaikan nomor atom unsur-unsur tersebut adalah ...
XYZ
XZY
YXZ
YZX
ZXY
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perubahan entalpi vaporisasi kalium
Energi ionisasi pertama kalium
Jumlah perubahan entalpi atomisasi dan energi afinitas elektron kalium
Jumlah perubahan entalpi atomisasi dan energi ionisasi pertama kalium
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Senyawa magnesium nitrida digunakan sebagai katalis pada sintesis organik golongan amida. Rumus kimia magnesium nitrida adalah …
MgN
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0,8%
8,0%
20%
80%
92%
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pasangan ion di bawah ini yang bersifat paramagnetik adalah….
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berdasarkan konfigurasi elektron pada tabel berikut, unsur yang berwujud gas pada T ruang adalah
E dan L
J dan G
G dan H
J dan L
E dan H
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Persen massa C, H, dan O dalam suatu senyawa berturut-turut 57,48; 4,22; dan 38,3%. Rumus empiris senyawa ini adalah ...
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