Kimia Unsur Kelompok Argon
Authored by Ghina Luthfi
Chemistry
12th Grade
Used 4+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Penyakit maag disebabkan oleh kelebihan asam lambung. Senyawa magnesium yang biasa digunakan untuk menetralkan asam lambung adalah ….
Magnesium sulfat
Magnesium karbonat
Magnesium oksida
Magnesium klorida
Magnesium hidroksida
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Logam alkali dengan massa atom relatif paling ringan yang densitasnya lebih dari densitas air yaitu...
Lithium
Natrium
Kalium
Rubidium
Sesium
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Jika senyawa KNO3 dibakar di atas api maka warna nyala dari Kalium adalah….
ungu
merah
biru
hijau
kuning
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Urutan unsur-unsur alkali tanah berdasarkan sifat reduktor dari kuat ke reduktor lemah adalah …
Ca, Mg, Sr, Ba
Mg, Ca, Ba, Sr
Mg, Ca, Sr, Ba
Ba, Sr, Ca, Mg
Ca, Ba, Mg, Sr
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Natrium klorida (NaCl) atau biasa disebut dengan garam dapur bisa digunakan sebagai pengawet alami. NaCl yang baik adalah yang mengandung Yodium. Cara sederhana yang dapat kita lakukan untuk mengecek apakah garam tersebut beryodium adalah dengan mencampurnya dengan ...
BTB
Aluminium
Amilum
PP
Arang karbon
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Astatin (At) merupakan unsur yang termasuk golongan halogen. Berdasarkan pengetahuan tentang sifat-sifat unsur halogen dapat diramalkan bahwa astatin….
Berwujud cair pada suhu kamar
Membentuk molekul beratom dua
Bereaksi dengan natrium bentuk senyawa dengan rumus Na2At
Mempunyai jari-jari atom paling kecil dibanding unsur-unsur halogen laennya
Mempunyai kelektronegatifan terbesar dibanding unsur-unsur halogen lainnya
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Unsur-unsur golongan gas mulia bersifat...
Tidak stabil
Inert
Tetap
Tidak berubah
Dormant
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