
KIMIA UNSUR
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Eli Susianti
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Gas mulia yang paling banyak terdapat di alam semesta adalah ….
helium
neon
argon
kripton
xenon
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur-unsur yang merupakan logam adalah ….
hidrogen, lithium, oksigen
fosfor, natrium, klor
belerang, iodium, argon
magnesium, lithium, titanium
A. berilium, silikon, brom
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Sifat-sifat berikut yang bukan merupakan sifat logam alkali tanah adalah ….
merupakan unsur yang reaktif
ionnya bermuatan positif dua
semua senyawanya mudah larut dalam air
dibuat dari elektrolisis leburan garamnya
tidak terdapat di alam dalam keadaan bebas
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur periode ketiga yang bersifat semi logam adalah ….
natrium
magnesium
aluminium
silikon
fosfor
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
1. Berikut ini adalah pernyataan tentang logam natrium:
(1) Merupakan reduktor kuat
(2) Bereaksi dengan air menghasilkan gas O2
(3) Diperoleh dari elektrolisis leburan NaCl
(4) Lebih reaktif dari logam Mg
Pernyataan yang benar adalah ….
(1), (2), dan (3)
(1), (2), dan (4)
(1), (3), dan (4)
(2), (3), dan (4)
semua benar
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
(1) dan (2)
(1) dan (3)
(1) dan (4)
(2) dan (3)
(2) dan (5)
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Senyawa alkali tanah yang digunakan dalam pembuatan pasta gigi adalah ….
MgSO4
A. Mg(NO3)2
Mg(OH)2
MgO
MgCl2
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