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Authored by Andita Ainun Naafi
Chemistry, Other
10th - 11th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 6 gram padatan karbon direaksikan
dengan 32 gram gas oksigen dan diketahui
menghasilkan gas karbon dioksida. Berapakah
massa gas karbon dioksida yang dapat
terbentuk? (Ar C=12; O=16)
11
22
33
44
55
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aluminium bereaksi dengan asam klorida menghasilkan larutan aluminium klorida dan gas hidrogen.
Al (s) + 4 HNO3 (aq) → Al(NO3)3 (aq) + NO (g) + 2 H2O (l)
Jika 2 mol HNO3 bereaksi dengan aluminium, berapa mol gas NO yang dihasilkan adalah ....
8 mol
4 mol
2 mol
1 mol
0,5 mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.Jika 60 gram kalsium direaksikan dengan 32 gram oksigen sesuai dengan persamaan reaksi berikut :
2 Ca (s) + O2 (g) → 2 CaO(s)
maka ….. (Ar Ca = 40, O = 16)
Pereaksi pembatas adalah oksigen
Kalsium yang tersisa sebanyak 5 mol
Kalsium yang tersisa sebanyak 0,5 mol
Oksigen yang tersisa 0,25 mol
Kalsium oksida yang terbentuk 0,75 mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Pengertian pereaksi pembatas adalah ...
Pereaksi yang bereaksi hingga habis
Pereaksi yang tidak bereaksi
Pereaksi yang bereaksi sebagian
Pereaksi dengan koefisien reaksi paling besar
5.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Berdasarkan reaksi: 2A + B → C Apabila mula-mula mol A dan mol B adalah 1 mol, maka setelah reaksi berlangsung, adakah zat yang tersisa? Jika ada, zat apa dan berapa sisanya?
Ada, 0,5 mol Zat A tersisa
Ada, 0,5 mol Zat B tersisa
Ada, 1 mol Zat A tersisa
Ada, 1 mol Zat C tersisa
6.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Penyetaraan reaksi kimia berikut adalah:
aNaOH + bH2SO4 ----> cNa2SO4 + dH2O
urutan a,b,c, dan d yang tepat adalah....
1,1,4,2
1,3,4,2
2,1,1,2
2,1,2,1
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Fungsi pereaksi pembatas adalah …
Menentukan banyak zat yang bereaksi dan dihasilkan
Menentukan kecepatan reaksi
Menentukan energi aktivasi reaksi
Menentukan apakah reaksi berlangsung endotermik atau eksotermik
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