ASTS 2 2025 RUMUS KIMIA DAN PERSAMAAN REAKSI
Quiz
•
Chemistry
•
10th Grade
•
Hard
Susri Alfuadi
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rumus kimia Aluminium Pospat adalah …..
AlPO4
Al2(PO4)3
Al3(PO4)2
Al(PO4)2
Al(PO4)3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nama yang benar untuk senyawa Fe2 (SO4)3 adalah..
besi sulfida
besi (II) sulfida
besi (II) sulfat
besi sulfat
besi (III) sulfat
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Apabila ion Mg+2 bertemu dengan ion Cl-; maka akan terbentuk senyawa dengan rumus...
MgCl
Mg2Cl
MgCl2
Mg3Cl2
Mg2Cl3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Timbal (II) nitrat mempunyai rumus kimia ……
PbNO3
Pb2NO3
2PbNO3
(Pb)2NO3
Pb(NO3)2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nama-nama senyawa dibawah ini tidak sesuai dengan rumus kimianya, kecuali……
Na2O = dinatrium monoksida
AlCl3 = aluminium trioksida
Fe2O3 = besi (II) trioksida
CaCO3 = kalsium karbonat
Cu(NO3)2 = tembaga nitrat
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Apabila ion Sn+4 bergabung dengan ion O-2 maka akan terbentuk senyawa dangan rumus ….
SnO
Sn2O
SnO2
Sn2O3
Sn2O4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Untuk reaksi : FeS2 + O2 => Fe2O3 + SO2
Koefien reaksi beturut-turut adalah ………
4,2,2,8
2,4,11,8
4,11,2,8
8,2,4,11
11,4,8,2
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