ULANGAN HARIAN KIMIA BAB 2 - X PERIKANAN
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Sugeng Priyanto
Used 10+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rumus yang menyatakan perbandingan terkecil atom atom dalam suatu senyawa disebut …
Rumus kimia
Rumus molekul
Rumus empiris
Lambang unsur
Lambang atom
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa yang terbentuk dari suatu Kation dan anion disebut senyawa…
Ion
Biner
Kovalen
Asam
Basa
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sekoci yang terbiasa tersedia di kapal merupakan perlengkapan darurat yang digunakan dalam keadaan mendesak. Sekoci terbuat dari bahan baku silika atau fiberglass yang memiliki rumus molekul SiO2, artinya satu molekul silika disusun oleh…
1 atom silika dan 2 atom oksigen
1 atom silika dan 5 atom oksigen
2 atom oksigen dan 1 atom hydrogen
2 atom oksigen dan 1 atom silica
2 atom silika dan 1 atom oksigen
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa yang hanya terdiri atas dua jenis unsur disebut senyawa ….
Ion
Biner
Kovalen
Asam
Basa
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Formalin berguna sebagai pengawet mayat tetapi banyak disalahgunakan untuk mengawetkan makanan. Apabila makanan tersebut dikonsumsi terus-menerus dapat menimbulkan berbagai macam gangguan kesehatan. Formalin memiliki rumus molekul HCHO dengan perbandingan atom atom penyusunnya yaitu ….
C : H : O = 1 : 1 : 1
C : H : O = 1 : 2 : 1
C : H : O = 1 : 1 : 2
C : H : O = 2 : 1 : 1
C : H : O = 1 : 2 : 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lambang unsur dari Kalsium adalah …
K
Ca
Cr
H
Na
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Untuk menghilangkan bau badan dapat digunakan tawas. Tawas terbentuk dari kation Al3+ dan anion SO42- rumus kimia tawas adalah …
AlSO4
Al2SO4
Al(SO4)2
Al2(SO4)3
Al3(SO4)2
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