
KEL 3 (2) MIPA 3
Authored by Marisi Hutajulu
Chemistry
12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur manakah yang merupakan unsur ke-7 paling melimpah di kerak bumi?
Kalsium (Ca)
Kalium (K)
Titanium (Ti)
Vanadium (V)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalsium ditemukan dalam mineral apa saja?
Hematit dan magnetit
Batu kapur, gipsum, dan fluorit
Thorite dan gadolinite
Kalkopirit dan bornit
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa konsentrasi Skandium (Sc) di kerak bumi?
0,0022%
0,63%
0,01%
0,1%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur manakah yang menempati urutan ke-4 dalam kelimpahan unsur di kerak bumi?
Zinc (Zn)
Besi (Fe)
Nikel (Ni)
Tembaga (Cu)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kobalt (Co) ditemukan dalam mineral apa?
Hematit dan magnetit
Kalkopirit, bornit, dan malakit
Cobaltite, erythrite, dan glaucodot
Vanadinit dan patronit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa konsentrasi Mangan (Mn) di kerak bumi?
100 ppm
135 ppm
50 ppm
75 ppm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur manakah yang memiliki konsentrasi tertinggi dalam air laut?
Bromium (Br)
Selenium (Se)
Kalsium (Ca)
Kalium (K)
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