Prasyarat 4 Hk Dasar

Quiz
•
Chemistry
•
10th Grade
•
Hard
Clarysa Satari
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harga a, b, c, d agar reaksi di bawah setara adalah…
a Na (s) + b HCl (aq) → NaCl (aq) + d H2 (g)
2-2-2-1
2-1-2-2
1-2-2-2
1-2-2-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan reaksi:
2 Al(s) + 6 HCl(aq) --> 2 AlCl3(aq) + 3 H2(g)
Dari persamaan reaksi di atas, yang merupakan reaktan adalah ....
Al dan H2
HCl dan AlCl3
Al dan HCl
AlCl3 dan H2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi pembuatan gas amonia, persamaan reaksinya adalah:
N2(g) + 3 H2(g) → 2 NH3(g)
Pernyataan yang benar tentang persamaan reaksi di atas adalah ....
gas amonia disebut zat pereaksi
angka 3 pada gas hidrogen dinamakan indeks reaksi
gas nitrogen dan gas hidrogen disebut zat hasil reaksi
2 molekul gas amonia adalah zat hasil reaksi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang benar mengenai hukum perbandingan tetap adalah....
massa zat sebelum dan sesudah reaksi adalah tetap
dalam suatu senyawa perbandingan massa unsur-unsur selalu tetap
perbandingan massa materi yang menyusun campuran selalu tetap
perbandingan massa materi yang menyusun campuran selalu berubah-ubah
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa makna dari koefisien reaksi Mg dan HCl pada persamaan reaksi berikut:
Mg(s)+2HCl(aq) → MgCl2(aq)+H2(g)
Jumlah Mg 1 dan jumlah HCl 2
1 mol Mg bereaksi dengan 2 mol HCl
dibutuhkan 1 buah pita Mg dan 2 ml larutan HCl
terdapat 1 partikel Mg dan 2 molekul HCl
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