Berapakah massa molekul relatif senyawa Ca(OH)2
Ca = 40; O =16 ; H = 1
Stokiometri
Quiz
•
Chemistry
•
10th Grade
•
Hard
Ridar Wati
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah massa molekul relatif senyawa Ca(OH)2
Ca = 40; O =16 ; H = 1
57
58
72
73
74
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah atom dalam CH3COOH adalah ....
3
4
6
8
10
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa atom sebelum dan sesudah reaksi adalah sama. Dinyatakan oleh ....
Dalton
Avogadro
Gah Lusac
Lavoisier
Prost
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui reaksi kimia
aCl2+ bKOH --) cKCl + dKClO2 + e H2O
Tentukan nilai a.b.c.d. dan e agar reaksi tersebut setara
2.4.1.2.3
2.4.3.1.2
2.3.4.1.2
1.2.2.3.4
1.2.3.4.2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Yang termasuk molekul poliatomik adalah molekul unsur ....
Flour
Klor
Nitrogen
Belerang
Oksigen
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nama dari senyawa KBr adalah ...
Kalsium bromin
Kalsium bromida
Kalium bromin
Kalium bromida
Kalium brom
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi Cl pada KClO adalah ...
-1
+1
-2
+2
0
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