
PRETEST KONSEP MOL
Authored by Fatima Tujjahro
Chemistry
10th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada pembakaran bensin (C8H18) persamaan reaksinya adalah:
2C8H18 (l) + 25 O2 (g) → 16 CO2 (g) +18 H2O (g)
Pernyataan yang tidak tepat tentang persamaan reraksi tersebut adalah ....
zat pereaksi adalah C8H18 dan gas O2
Produk yang dihasilkan adalah gas CO2 dan uap air
Reaksi pembakaran sempurna bensin menghasilkan CO2, H2O dan CO
persamaan reaksi sudah setara
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Serbuk tembaga (II) oksida larut dalam asam klorida membentuk tembaga (II) klorida dan air. Persamaan
reaksi setara dan lengkap dari reaksi tersebut adalah ....
Cu2O (s) + HCl (aq) → Cu2Cl (aq) + H2O (l)
Cu2O (s) + 2 HCl (aq) → 2 CuCl (aq) + H2O (l)
CuO (s) + HCl (aq) → CuCl (aq) + H2O (l)
CuO (s) + 2 HCl (aq) → CuCl2 (aq) + H2O (l)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seorang siswa mengamati proses terjadinya reaksi aluminium dengan uap air panas membentuk aluminium oksida dan gas hidrogen. Persamaan rekasi yang terjadi adalah....
2Al(s) + H2O (g) → Al2O3 (s) + H2 (g)
2 Al (s) + 3 H2O (g) → Al2O3 (s) + 3 H2 (g)
2Al(s) + 2 H2O (g) → Al2O3 (s) + H2 (g)
Al(s) + H2O (g) → Al2O3 (s) + H2 (g)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan data pada tabel berikut!
Berdasarkan data tersebut, pasangan data yang berhubungan secara tepat adalah ....
1 dan 2
1 dan 3
2 dan 3
2 dan 4
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Perhatikan tabel berikut ini!
data yang benar antara rumus senyawa dan nama senyawa adalah ....
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
berikut ini yang bukan merupakan hukum dasar kimia adalah
hukum lavoisier
hukum proust
hukum dalton
hukum avogadro
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Besi bereaksi dengan belerang membentuk besi (II) sulfida menurut persamaan reaksi:
Fe(s) + S(s) → FeS(s)
Bila 28 gram besi bereaksi dengan 32 gram belerang, massa besi(II) sulfida yang terbentuk adalah sebanyak ...... (Ar =Fe = 56, S = 32)
22 gram
44 gram
56 gram
60 gram
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