
Kuis Kimia Unsur

Quiz
•
Chemistry
•
12th Grade
•
Hard
Novita Yuli
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Pada peristiwa elektrolisis larutan Ag+ selama 1 jam dan kuat arus 2 ampere akan mengendapkan perak sebanyak..... gram ( Ar Ag = 108 ; 1F = 96.500 C)
7,9
8,06
81,9
108
81,9
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pernyataan yang benar untuk konsep oksidasi adalah....
pengikatan oksigen
pengikatan hidrogen
penyerapan elektron
pelepasan oksigen
penurunan bilangan oksidasi
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Gas mulia merupakan unsur yang sangat stabil karena.....
Tidak dapat disintesis
Tidak dapat bereaksi dengan unsur lain
Jumlah elektron terluarnya selalu genap
Memiliki konfigurasi elektron yang stabil
Jari-jari atomnya kecil
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nama proses pengolahan unsur untuk mendapatkan natrium adalah....
Down
Redoks
Frasch
Tanur Tinggi
Hall–Herault
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Warna nyala senyawa kalium adalah....
Merah
kuning
abu-abu
Ungu
biru
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kegunaan dari MgSO4.7H2O (garam inggris) antara lain....
Obat pencahar
Pengembang makanan
Obat sakit maag
Obat dan antiseptik
Pengawet makanan
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui sifat-sifat golongan: dapat bereaksi dengan unsur nonlogam, membentuk ion dua positif, membentuk molekul diatomik, pada suhu kamar berwujud padat, mempunyai bau yang merangsang dan berwarna yang merupakan sifat dari golongan alkali tanah adalah.....
(1),(2),dan(3)
(1),(3),dan(5)
(2),(3),dan(4)
(1),(2),dan(4)
(2),(4),dan(5)
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